Home / 15,612.07-23,418.05-5,616.79

Finding the Fourth Proportional to 15,612.07, 23,418.05 and 5,616.79

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Solution

The fourth proportional to 15,612.07, 23,418.05 and 5,616.79 is: 8,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.07 : 23,418.05 = 5,616.79 : x
  2. Step 2: Convert to fraction form
    15,612.07/23,418.05 = 5,616.79/x
  3. Step 3: Cross multiply
    15,612.07x = 23,418.05 × 5,616.79
  4. Step 4: Simplify right side
    15,612.07x = 131,534,299.52
  5. Step 5: Solve for x
    x = 131,534,299.52/15,612.07
  6. Step 6: Final answer
    x = 8,425.17

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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.