Home / 13,387.54-20,085.07-4,953.92

Finding the Fourth Proportional to 13,387.54, 20,085.07 and 4,953.92

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Solution

The fourth proportional to 13,387.54, 20,085.07 and 4,953.92 is: 7,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.54 : 20,085.07 = 4,953.92 : x
  2. Step 2: Convert to fraction form
    13,387.54/20,085.07 = 4,953.92/x
  3. Step 3: Cross multiply
    13,387.54x = 20,085.07 × 4,953.92
  4. Step 4: Simplify right side
    13,387.54x = 99,499,829.97
  5. Step 5: Solve for x
    x = 99,499,829.97/13,387.54
  6. Step 6: Final answer
    x = 7,432.27

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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.