Home / 14,287.59-21,436.85-5,528.66

Finding the Fourth Proportional to 14,287.59, 21,436.85 and 5,528.66

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Solution

The fourth proportional to 14,287.59, 21,436.85 and 5,528.66 is: 8,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.59 : 21,436.85 = 5,528.66 : x
  2. Step 2: Convert to fraction form
    14,287.59/21,436.85 = 5,528.66/x
  3. Step 3: Cross multiply
    14,287.59x = 21,436.85 × 5,528.66
  4. Step 4: Simplify right side
    14,287.59x = 118,516,961.76
  5. Step 5: Solve for x
    x = 118,516,961.76/14,287.59
  6. Step 6: Final answer
    x = 8,295.10

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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.