Home / 16,388.40-22,610.16-9,670.67

Finding the Fourth Proportional to 16,388.40, 22,610.16 and 9,670.67

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Solution

The fourth proportional to 16,388.40, 22,610.16 and 9,670.67 is: 13,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.40 : 22,610.16 = 9,670.67 : x
  2. Step 2: Convert to fraction form
    16,388.40/22,610.16 = 9,670.67/x
  3. Step 3: Cross multiply
    16,388.40x = 22,610.16 × 9,670.67
  4. Step 4: Simplify right side
    16,388.40x = 218,655,282.96
  5. Step 5: Solve for x
    x = 218,655,282.96/16,388.40
  6. Step 6: Final answer
    x = 13,342.08

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Half scale
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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.