Home / 15,744.91-21,730.95-9,034.93

Finding the Fourth Proportional to 15,744.91, 21,730.95 and 9,034.93

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Solution

The fourth proportional to 15,744.91, 21,730.95 and 9,034.93 is: 12,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.91 : 21,730.95 = 9,034.93 : x
  2. Step 2: Convert to fraction form
    15,744.91/21,730.95 = 9,034.93/x
  3. Step 3: Cross multiply
    15,744.91x = 21,730.95 × 9,034.93
  4. Step 4: Simplify right side
    15,744.91x = 196,337,612.08
  5. Step 5: Solve for x
    x = 196,337,612.08/15,744.91
  6. Step 6: Final answer
    x = 12,469.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.