Home / 10,020.08-15,030.66-4,177.28

Finding the Fourth Proportional to 10,020.08, 15,030.66 and 4,177.28

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Solution

The fourth proportional to 10,020.08, 15,030.66 and 4,177.28 is: 6,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.08 : 15,030.66 = 4,177.28 : x
  2. Step 2: Convert to fraction form
    10,020.08/15,030.66 = 4,177.28/x
  3. Step 3: Cross multiply
    10,020.08x = 15,030.66 × 4,177.28
  4. Step 4: Simplify right side
    10,020.08x = 62,787,275.40
  5. Step 5: Solve for x
    x = 62,787,275.40/10,020.08
  6. Step 6: Final answer
    x = 6,266.15

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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.