Home / 19,711.26-29,567.52-8,612.28

Finding the Fourth Proportional to 19,711.26, 29,567.52 and 8,612.28

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Solution

The fourth proportional to 19,711.26, 29,567.52 and 8,612.28 is: 12,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.26 : 29,567.52 = 8,612.28 : x
  2. Step 2: Convert to fraction form
    19,711.26/29,567.52 = 8,612.28/x
  3. Step 3: Cross multiply
    19,711.26x = 29,567.52 × 8,612.28
  4. Step 4: Simplify right side
    19,711.26x = 254,643,761.15
  5. Step 5: Solve for x
    x = 254,643,761.15/19,711.26
  6. Step 6: Final answer
    x = 12,918.70

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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.