Home / 13,528.53-20,292.78-8,877.96

Finding the Fourth Proportional to 13,528.53, 20,292.78 and 8,877.96

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Solution

The fourth proportional to 13,528.53, 20,292.78 and 8,877.96 is: 13,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.53 : 20,292.78 = 8,877.96 : x
  2. Step 2: Convert to fraction form
    13,528.53/20,292.78 = 8,877.96/x
  3. Step 3: Cross multiply
    13,528.53x = 20,292.78 × 8,877.96
  4. Step 4: Simplify right side
    13,528.53x = 180,158,489.13
  5. Step 5: Solve for x
    x = 180,158,489.13/13,528.53
  6. Step 6: Final answer
    x = 13,316.93

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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.