Home / 13,590.59-20,373.42-5,268.47

Finding the Fourth Proportional to 13,590.59, 20,373.42 and 5,268.47

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Solution

The fourth proportional to 13,590.59, 20,373.42 and 5,268.47 is: 7,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.59 : 20,373.42 = 5,268.47 : x
  2. Step 2: Convert to fraction form
    13,590.59/20,373.42 = 5,268.47/x
  3. Step 3: Cross multiply
    13,590.59x = 20,373.42 × 5,268.47
  4. Step 4: Simplify right side
    13,590.59x = 107,336,752.07
  5. Step 5: Solve for x
    x = 107,336,752.07/13,590.59
  6. Step 6: Final answer
    x = 7,897.87

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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.