Home / 17,370.20-23,981.12-11,412.28

Finding the Fourth Proportional to 17,370.20, 23,981.12 and 11,412.28

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Solution

The fourth proportional to 17,370.20, 23,981.12 and 11,412.28 is: 15,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.20 : 23,981.12 = 11,412.28 : x
  2. Step 2: Convert to fraction form
    17,370.20/23,981.12 = 11,412.28/x
  3. Step 3: Cross multiply
    17,370.20x = 23,981.12 × 11,412.28
  4. Step 4: Simplify right side
    17,370.20x = 273,679,256.15
  5. Step 5: Solve for x
    x = 273,679,256.15/17,370.20
  6. Step 6: Final answer
    x = 15,755.68

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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.