Home / 13,034.08-17,987.04-7,065.76

Finding the Fourth Proportional to 13,034.08, 17,987.04 and 7,065.76

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Solution

The fourth proportional to 13,034.08, 17,987.04 and 7,065.76 is: 9,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.08 : 17,987.04 = 7,065.76 : x
  2. Step 2: Convert to fraction form
    13,034.08/17,987.04 = 7,065.76/x
  3. Step 3: Cross multiply
    13,034.08x = 17,987.04 × 7,065.76
  4. Step 4: Simplify right side
    13,034.08x = 127,092,107.75
  5. Step 5: Solve for x
    x = 127,092,107.75/13,034.08
  6. Step 6: Final answer
    x = 9,750.75

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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.