Home / 15,149.79-22,727.12-9,312.93

Finding the Fourth Proportional to 15,149.79, 22,727.12 and 9,312.93

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Solution

The fourth proportional to 15,149.79, 22,727.12 and 9,312.93 is: 13,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.79 : 22,727.12 = 9,312.93 : x
  2. Step 2: Convert to fraction form
    15,149.79/22,727.12 = 9,312.93/x
  3. Step 3: Cross multiply
    15,149.79x = 22,727.12 × 9,312.93
  4. Step 4: Simplify right side
    15,149.79x = 211,656,031.10
  5. Step 5: Solve for x
    x = 211,656,031.10/15,149.79
  6. Step 6: Final answer
    x = 13,970.89

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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.