Home / 23,144.40-31,943.70-13,586.40

Finding the Fourth Proportional to 23,144.40, 31,943.70 and 13,586.40

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Solution

The fourth proportional to 23,144.40, 31,943.70 and 13,586.40 is: 18,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.40 : 31,943.70 = 13,586.40 : x
  2. Step 2: Convert to fraction form
    23,144.40/31,943.70 = 13,586.40/x
  3. Step 3: Cross multiply
    23,144.40x = 31,943.70 × 13,586.40
  4. Step 4: Simplify right side
    23,144.40x = 433,999,885.68
  5. Step 5: Solve for x
    x = 433,999,885.68/23,144.40
  6. Step 6: Final answer
    x = 18,751.83

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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.