Home / 13,034.79-17,987.90-7,292.18

Finding the Fourth Proportional to 13,034.79, 17,987.90 and 7,292.18

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Solution

The fourth proportional to 13,034.79, 17,987.90 and 7,292.18 is: 10,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.79 : 17,987.90 = 7,292.18 : x
  2. Step 2: Convert to fraction form
    13,034.79/17,987.90 = 7,292.18/x
  3. Step 3: Cross multiply
    13,034.79x = 17,987.90 × 7,292.18
  4. Step 4: Simplify right side
    13,034.79x = 131,171,013.13
  5. Step 5: Solve for x
    x = 131,171,013.13/13,034.79
  6. Step 6: Final answer
    x = 10,063.15

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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.