Home / 13,925.60-20,887.28-6,528.16

Finding the Fourth Proportional to 13,925.60, 20,887.28 and 6,528.16

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Solution

The fourth proportional to 13,925.60, 20,887.28 and 6,528.16 is: 9,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.60 : 20,887.28 = 6,528.16 : x
  2. Step 2: Convert to fraction form
    13,925.60/20,887.28 = 6,528.16/x
  3. Step 3: Cross multiply
    13,925.60x = 20,887.28 × 6,528.16
  4. Step 4: Simplify right side
    13,925.60x = 136,355,505.80
  5. Step 5: Solve for x
    x = 136,355,505.80/13,925.60
  6. Step 6: Final answer
    x = 9,791.71

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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.