Home / 13,590.06-20,387.97-6,575.10

Finding the Fourth Proportional to 13,590.06, 20,387.97 and 6,575.10

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Solution

The fourth proportional to 13,590.06, 20,387.97 and 6,575.10 is: 9,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.06 : 20,387.97 = 6,575.10 : x
  2. Step 2: Convert to fraction form
    13,590.06/20,387.97 = 6,575.10/x
  3. Step 3: Cross multiply
    13,590.06x = 20,387.97 × 6,575.10
  4. Step 4: Simplify right side
    13,590.06x = 134,052,941.55
  5. Step 5: Solve for x
    x = 134,052,941.55/13,590.06
  6. Step 6: Final answer
    x = 9,864.04

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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.