Home / 23,133.55-31,924.13-12,523.11

Finding the Fourth Proportional to 23,133.55, 31,924.13 and 12,523.11

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Solution

The fourth proportional to 23,133.55, 31,924.13 and 12,523.11 is: 17,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.55 : 31,924.13 = 12,523.11 : x
  2. Step 2: Convert to fraction form
    23,133.55/31,924.13 = 12,523.11/x
  3. Step 3: Cross multiply
    23,133.55x = 31,924.13 × 12,523.11
  4. Step 4: Simplify right side
    23,133.55x = 399,789,209.31
  5. Step 5: Solve for x
    x = 399,789,209.31/23,133.55
  6. Step 6: Final answer
    x = 17,281.79

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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.