Home / 13,001.03-19,505.47-5,500.74

Finding the Fourth Proportional to 13,001.03, 19,505.47 and 5,500.74

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Solution

The fourth proportional to 13,001.03, 19,505.47 and 5,500.74 is: 8,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.03 : 19,505.47 = 5,500.74 : x
  2. Step 2: Convert to fraction form
    13,001.03/19,505.47 = 5,500.74/x
  3. Step 3: Cross multiply
    13,001.03x = 19,505.47 × 5,500.74
  4. Step 4: Simplify right side
    13,001.03x = 107,294,432.15
  5. Step 5: Solve for x
    x = 107,294,432.15/13,001.03
  6. Step 6: Final answer
    x = 8,252.76

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.