Home / 13,597.24-20,387.36-5,697.62

Finding the Fourth Proportional to 13,597.24, 20,387.36 and 5,697.62

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Solution

The fourth proportional to 13,597.24, 20,387.36 and 5,697.62 is: 8,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.24 : 20,387.36 = 5,697.62 : x
  2. Step 2: Convert to fraction form
    13,597.24/20,387.36 = 5,697.62/x
  3. Step 3: Cross multiply
    13,597.24x = 20,387.36 × 5,697.62
  4. Step 4: Simplify right side
    13,597.24x = 116,159,430.08
  5. Step 5: Solve for x
    x = 116,159,430.08/13,597.24
  6. Step 6: Final answer
    x = 8,542.87

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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.