Home / 19,689.66-29,537.46-6,358.20

Finding the Fourth Proportional to 19,689.66, 29,537.46 and 6,358.20

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Solution

The fourth proportional to 19,689.66, 29,537.46 and 6,358.20 is: 9,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.66 : 29,537.46 = 6,358.20 : x
  2. Step 2: Convert to fraction form
    19,689.66/29,537.46 = 6,358.20/x
  3. Step 3: Cross multiply
    19,689.66x = 29,537.46 × 6,358.20
  4. Step 4: Simplify right side
    19,689.66x = 187,805,078.17
  5. Step 5: Solve for x
    x = 187,805,078.17/19,689.66
  6. Step 6: Final answer
    x = 9,538.26

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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.