Home / 13,290.52-19,937.80-4,523.38

Finding the Fourth Proportional to 13,290.52, 19,937.80 and 4,523.38

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Solution

The fourth proportional to 13,290.52, 19,937.80 and 4,523.38 is: 6,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.52 : 19,937.80 = 4,523.38 : x
  2. Step 2: Convert to fraction form
    13,290.52/19,937.80 = 4,523.38/x
  3. Step 3: Cross multiply
    13,290.52x = 19,937.80 × 4,523.38
  4. Step 4: Simplify right side
    13,290.52x = 90,186,288.28
  5. Step 5: Solve for x
    x = 90,186,288.28/13,290.52
  6. Step 6: Final answer
    x = 6,785.76

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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.