Home / 22,741.05-31,384.96-12,671.13

Finding the Fourth Proportional to 22,741.05, 31,384.96 and 12,671.13

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Solution

The fourth proportional to 22,741.05, 31,384.96 and 12,671.13 is: 17,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.05 : 31,384.96 = 12,671.13 : x
  2. Step 2: Convert to fraction form
    22,741.05/31,384.96 = 12,671.13/x
  3. Step 3: Cross multiply
    22,741.05x = 31,384.96 × 12,671.13
  4. Step 4: Simplify right side
    22,741.05x = 397,682,876.53
  5. Step 5: Solve for x
    x = 397,682,876.53/22,741.05
  6. Step 6: Final answer
    x = 17,487.45

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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.