Home / 14,724.32-20,320.67-8,755.02

Finding the Fourth Proportional to 14,724.32, 20,320.67 and 8,755.02

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Solution

The fourth proportional to 14,724.32, 20,320.67 and 8,755.02 is: 12,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.32 : 20,320.67 = 8,755.02 : x
  2. Step 2: Convert to fraction form
    14,724.32/20,320.67 = 8,755.02/x
  3. Step 3: Cross multiply
    14,724.32x = 20,320.67 × 8,755.02
  4. Step 4: Simplify right side
    14,724.32x = 177,907,894.15
  5. Step 5: Solve for x
    x = 177,907,894.15/14,724.32
  6. Step 6: Final answer
    x = 12,082.59

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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.