Home / 22,337.48-30,830.28-12,904.76

Finding the Fourth Proportional to 22,337.48, 30,830.28 and 12,904.76

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Solution

The fourth proportional to 22,337.48, 30,830.28 and 12,904.76 is: 17,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,337.48 : 30,830.28 = 12,904.76 : x
  2. Step 2: Convert to fraction form
    22,337.48/30,830.28 = 12,904.76/x
  3. Step 3: Cross multiply
    22,337.48x = 30,830.28 × 12,904.76
  4. Step 4: Simplify right side
    22,337.48x = 397,857,364.13
  5. Step 5: Solve for x
    x = 397,857,364.13/22,337.48
  6. Step 6: Final answer
    x = 17,811.20

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Double scale
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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.