Home / 15,670.30-21,624.90-8,596.67

Finding the Fourth Proportional to 15,670.30, 21,624.90 and 8,596.67

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Solution

The fourth proportional to 15,670.30, 21,624.90 and 8,596.67 is: 11,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.30 : 21,624.90 = 8,596.67 : x
  2. Step 2: Convert to fraction form
    15,670.30/21,624.90 = 8,596.67/x
  3. Step 3: Cross multiply
    15,670.30x = 21,624.90 × 8,596.67
  4. Step 4: Simplify right side
    15,670.30x = 185,902,129.08
  5. Step 5: Solve for x
    x = 185,902,129.08/15,670.30
  6. Step 6: Final answer
    x = 11,863.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.