Home / 22,659.30-31,270.23-12,588.66

Finding the Fourth Proportional to 22,659.30, 31,270.23 and 12,588.66

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Solution

The fourth proportional to 22,659.30, 31,270.23 and 12,588.66 is: 17,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.30 : 31,270.23 = 12,588.66 : x
  2. Step 2: Convert to fraction form
    22,659.30/31,270.23 = 12,588.66/x
  3. Step 3: Cross multiply
    22,659.30x = 31,270.23 × 12,588.66
  4. Step 4: Simplify right side
    22,659.30x = 393,650,293.59
  5. Step 5: Solve for x
    x = 393,650,293.59/22,659.30
  6. Step 6: Final answer
    x = 17,372.57

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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.