Home / 13,152.13-19,729.22-4,387.05

Finding the Fourth Proportional to 13,152.13, 19,729.22 and 4,387.05

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Solution

The fourth proportional to 13,152.13, 19,729.22 and 4,387.05 is: 6,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.13 : 19,729.22 = 4,387.05 : x
  2. Step 2: Convert to fraction form
    13,152.13/19,729.22 = 4,387.05/x
  3. Step 3: Cross multiply
    13,152.13x = 19,729.22 × 4,387.05
  4. Step 4: Simplify right side
    13,152.13x = 86,553,052.67
  5. Step 5: Solve for x
    x = 86,553,052.67/13,152.13
  6. Step 6: Final answer
    x = 6,580.92

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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.