Home / 19,925.32-29,881.10-8,839.80

Finding the Fourth Proportional to 19,925.32, 29,881.10 and 8,839.80

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Solution

The fourth proportional to 19,925.32, 29,881.10 and 8,839.80 is: 13,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.32 : 29,881.10 = 8,839.80 : x
  2. Step 2: Convert to fraction form
    19,925.32/29,881.10 = 8,839.80/x
  3. Step 3: Cross multiply
    19,925.32x = 29,881.10 × 8,839.80
  4. Step 4: Simplify right side
    19,925.32x = 264,142,947.78
  5. Step 5: Solve for x
    x = 264,142,947.78/19,925.32
  6. Step 6: Final answer
    x = 13,256.65

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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.