Home / 15,424.91-23,146.57-14,170.10

Finding the Fourth Proportional to 15,424.91, 23,146.57 and 14,170.10

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Solution

The fourth proportional to 15,424.91, 23,146.57 and 14,170.10 is: 21,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.91 : 23,146.57 = 14,170.10 : x
  2. Step 2: Convert to fraction form
    15,424.91/23,146.57 = 14,170.10/x
  3. Step 3: Cross multiply
    15,424.91x = 23,146.57 × 14,170.10
  4. Step 4: Simplify right side
    15,424.91x = 327,989,211.56
  5. Step 5: Solve for x
    x = 327,989,211.56/15,424.91
  6. Step 6: Final answer
    x = 21,263.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.