Home / 13,531.92-20,300.64-4,772.92

Finding the Fourth Proportional to 13,531.92, 20,300.64 and 4,772.92

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Solution

The fourth proportional to 13,531.92, 20,300.64 and 4,772.92 is: 7,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.92 : 20,300.64 = 4,772.92 : x
  2. Step 2: Convert to fraction form
    13,531.92/20,300.64 = 4,772.92/x
  3. Step 3: Cross multiply
    13,531.92x = 20,300.64 × 4,772.92
  4. Step 4: Simplify right side
    13,531.92x = 96,893,330.67
  5. Step 5: Solve for x
    x = 96,893,330.67/13,531.92
  6. Step 6: Final answer
    x = 7,160.35

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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.