Home / 22,617.10-31,210.41-12,544.75

Finding the Fourth Proportional to 22,617.10, 31,210.41 and 12,544.75

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Solution

The fourth proportional to 22,617.10, 31,210.41 and 12,544.75 is: 17,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.10 : 31,210.41 = 12,544.75 : x
  2. Step 2: Convert to fraction form
    22,617.10/31,210.41 = 12,544.75/x
  3. Step 3: Cross multiply
    22,617.10x = 31,210.41 × 12,544.75
  4. Step 4: Simplify right side
    22,617.10x = 391,526,790.85
  5. Step 5: Solve for x
    x = 391,526,790.85/22,617.10
  6. Step 6: Final answer
    x = 17,311.10

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Half scale
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Double scale
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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.