Home / 19,931.59-29,876.88-8,843.50

Finding the Fourth Proportional to 19,931.59, 29,876.88 and 8,843.50

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Solution

The fourth proportional to 19,931.59, 29,876.88 and 8,843.50 is: 13,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.59 : 29,876.88 = 8,843.50 : x
  2. Step 2: Convert to fraction form
    19,931.59/29,876.88 = 8,843.50/x
  3. Step 3: Cross multiply
    19,931.59x = 29,876.88 × 8,843.50
  4. Step 4: Simplify right side
    19,931.59x = 264,216,188.28
  5. Step 5: Solve for x
    x = 264,216,188.28/19,931.59
  6. Step 6: Final answer
    x = 13,256.15

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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.