Home / 15,147.32-22,607.53-14,150.86

Finding the Fourth Proportional to 15,147.32, 22,607.53 and 14,150.86

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Solution

The fourth proportional to 15,147.32, 22,607.53 and 14,150.86 is: 21,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.32 : 22,607.53 = 14,150.86 : x
  2. Step 2: Convert to fraction form
    15,147.32/22,607.53 = 14,150.86/x
  3. Step 3: Cross multiply
    15,147.32x = 22,607.53 × 14,150.86
  4. Step 4: Simplify right side
    15,147.32x = 319,915,991.98
  5. Step 5: Solve for x
    x = 319,915,991.98/15,147.32
  6. Step 6: Final answer
    x = 21,120.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.