Home / 19,358.66-29,034.53-5,127.23

Finding the Fourth Proportional to 19,358.66, 29,034.53 and 5,127.23

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Solution

The fourth proportional to 19,358.66, 29,034.53 and 5,127.23 is: 7,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.66 : 29,034.53 = 5,127.23 : x
  2. Step 2: Convert to fraction form
    19,358.66/29,034.53 = 5,127.23/x
  3. Step 3: Cross multiply
    19,358.66x = 29,034.53 × 5,127.23
  4. Step 4: Simplify right side
    19,358.66x = 148,866,760.20
  5. Step 5: Solve for x
    x = 148,866,760.20/19,358.66
  6. Step 6: Final answer
    x = 7,689.93

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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.