Home / 16,320.16-22,522.38-9,150.40

Finding the Fourth Proportional to 16,320.16, 22,522.38 and 9,150.40

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Solution

The fourth proportional to 16,320.16, 22,522.38 and 9,150.40 is: 12,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.16 : 22,522.38 = 9,150.40 : x
  2. Step 2: Convert to fraction form
    16,320.16/22,522.38 = 9,150.40/x
  3. Step 3: Cross multiply
    16,320.16x = 22,522.38 × 9,150.40
  4. Step 4: Simplify right side
    16,320.16x = 206,088,785.95
  5. Step 5: Solve for x
    x = 206,088,785.95/16,320.16
  6. Step 6: Final answer
    x = 12,627.87

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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.