Home / 10,030.29-15,036.21-3,454.91

Finding the Fourth Proportional to 10,030.29, 15,036.21 and 3,454.91

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Solution

The fourth proportional to 10,030.29, 15,036.21 and 3,454.91 is: 5,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.29 : 15,036.21 = 3,454.91 : x
  2. Step 2: Convert to fraction form
    10,030.29/15,036.21 = 3,454.91/x
  3. Step 3: Cross multiply
    10,030.29x = 15,036.21 × 3,454.91
  4. Step 4: Simplify right side
    10,030.29x = 51,948,752.29
  5. Step 5: Solve for x
    x = 51,948,752.29/10,030.29
  6. Step 6: Final answer
    x = 5,179.19

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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.