Home / 22,513.10-31,068.92-12,441.96

Finding the Fourth Proportional to 22,513.10, 31,068.92 and 12,441.96

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Solution

The fourth proportional to 22,513.10, 31,068.92 and 12,441.96 is: 17,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.10 : 31,068.92 = 12,441.96 : x
  2. Step 2: Convert to fraction form
    22,513.10/31,068.92 = 12,441.96/x
  3. Step 3: Cross multiply
    22,513.10x = 31,068.92 × 12,441.96
  4. Step 4: Simplify right side
    22,513.10x = 386,558,197.67
  5. Step 5: Solve for x
    x = 386,558,197.67/22,513.10
  6. Step 6: Final answer
    x = 17,170.37

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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.