Home / 15,908.49-23,864.94-5,381.55

Finding the Fourth Proportional to 15,908.49, 23,864.94 and 5,381.55

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Solution

The fourth proportional to 15,908.49, 23,864.94 and 5,381.55 is: 8,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.49 : 23,864.94 = 5,381.55 : x
  2. Step 2: Convert to fraction form
    15,908.49/23,864.94 = 5,381.55/x
  3. Step 3: Cross multiply
    15,908.49x = 23,864.94 × 5,381.55
  4. Step 4: Simplify right side
    15,908.49x = 128,430,367.86
  5. Step 5: Solve for x
    x = 128,430,367.86/15,908.49
  6. Step 6: Final answer
    x = 8,073.07

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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.