Home / 15,809.46-23,717.07-5,418.90

Finding the Fourth Proportional to 15,809.46, 23,717.07 and 5,418.90

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Solution

The fourth proportional to 15,809.46, 23,717.07 and 5,418.90 is: 8,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.46 : 23,717.07 = 5,418.90 : x
  2. Step 2: Convert to fraction form
    15,809.46/23,717.07 = 5,418.90/x
  3. Step 3: Cross multiply
    15,809.46x = 23,717.07 × 5,418.90
  4. Step 4: Simplify right side
    15,809.46x = 128,520,430.62
  5. Step 5: Solve for x
    x = 128,520,430.62/15,809.46
  6. Step 6: Final answer
    x = 8,129.34

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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.