Home / 13,395.86-20,060.97-9,437.39

Finding the Fourth Proportional to 13,395.86, 20,060.97 and 9,437.39

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Solution

The fourth proportional to 13,395.86, 20,060.97 and 9,437.39 is: 14,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.86 : 20,060.97 = 9,437.39 : x
  2. Step 2: Convert to fraction form
    13,395.86/20,060.97 = 9,437.39/x
  3. Step 3: Cross multiply
    13,395.86x = 20,060.97 × 9,437.39
  4. Step 4: Simplify right side
    13,395.86x = 189,323,197.67
  5. Step 5: Solve for x
    x = 189,323,197.67/13,395.86
  6. Step 6: Final answer
    x = 14,132.96

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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.