Home / 9,188.51-12,680.01-4,996.76

Finding the Fourth Proportional to 9,188.51, 12,680.01 and 4,996.76

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Solution

The fourth proportional to 9,188.51, 12,680.01 and 4,996.76 is: 6,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.51 : 12,680.01 = 4,996.76 : x
  2. Step 2: Convert to fraction form
    9,188.51/12,680.01 = 4,996.76/x
  3. Step 3: Cross multiply
    9,188.51x = 12,680.01 × 4,996.76
  4. Step 4: Simplify right side
    9,188.51x = 63,358,903.37
  5. Step 5: Solve for x
    x = 63,358,903.37/9,188.51
  6. Step 6: Final answer
    x = 6,895.45

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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.