Home / 23,151.60-31,954.43-13,085.87

Finding the Fourth Proportional to 23,151.60, 31,954.43 and 13,085.87

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Solution

The fourth proportional to 23,151.60, 31,954.43 and 13,085.87 is: 18,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.60 : 31,954.43 = 13,085.87 : x
  2. Step 2: Convert to fraction form
    23,151.60/31,954.43 = 13,085.87/x
  3. Step 3: Cross multiply
    23,151.60x = 31,954.43 × 13,085.87
  4. Step 4: Simplify right side
    23,151.60x = 418,151,389.85
  5. Step 5: Solve for x
    x = 418,151,389.85/23,151.60
  6. Step 6: Final answer
    x = 18,061.45

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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.