Home / 11,387.79-17,085.33-9,534.51

Finding the Fourth Proportional to 11,387.79, 17,085.33 and 9,534.51

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Solution

The fourth proportional to 11,387.79, 17,085.33 and 9,534.51 is: 14,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.79 : 17,085.33 = 9,534.51 : x
  2. Step 2: Convert to fraction form
    11,387.79/17,085.33 = 9,534.51/x
  3. Step 3: Cross multiply
    11,387.79x = 17,085.33 × 9,534.51
  4. Step 4: Simplify right side
    11,387.79x = 162,900,249.74
  5. Step 5: Solve for x
    x = 162,900,249.74/11,387.79
  6. Step 6: Final answer
    x = 14,304.82

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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.