Home / 19,614.04-29,404.52-8,512.40

Finding the Fourth Proportional to 19,614.04, 29,404.52 and 8,512.40

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Solution

The fourth proportional to 19,614.04, 29,404.52 and 8,512.40 is: 12,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.04 : 29,404.52 = 8,512.40 : x
  2. Step 2: Convert to fraction form
    19,614.04/29,404.52 = 8,512.40/x
  3. Step 3: Cross multiply
    19,614.04x = 29,404.52 × 8,512.40
  4. Step 4: Simplify right side
    19,614.04x = 250,303,036.05
  5. Step 5: Solve for x
    x = 250,303,036.05/19,614.04
  6. Step 6: Final answer
    x = 12,761.42

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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.