Home / 14,639.04-20,201.28-8,351.52

Finding the Fourth Proportional to 14,639.04, 20,201.28 and 8,351.52

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Solution

The fourth proportional to 14,639.04, 20,201.28 and 8,351.52 is: 11,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.04 : 20,201.28 = 8,351.52 : x
  2. Step 2: Convert to fraction form
    14,639.04/20,201.28 = 8,351.52/x
  3. Step 3: Cross multiply
    14,639.04x = 20,201.28 × 8,351.52
  4. Step 4: Simplify right side
    14,639.04x = 168,711,393.95
  5. Step 5: Solve for x
    x = 168,711,393.95/14,639.04
  6. Step 6: Final answer
    x = 11,524.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.