Home / 9,910.12-13,663.38-7,080.88

Finding the Fourth Proportional to 9,910.12, 13,663.38 and 7,080.88

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Solution

The fourth proportional to 9,910.12, 13,663.38 and 7,080.88 is: 9,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.12 : 13,663.38 = 7,080.88 : x
  2. Step 2: Convert to fraction form
    9,910.12/13,663.38 = 7,080.88/x
  3. Step 3: Cross multiply
    9,910.12x = 13,663.38 × 7,080.88
  4. Step 4: Simplify right side
    9,910.12x = 96,748,754.17
  5. Step 5: Solve for x
    x = 96,748,754.17/9,910.12
  6. Step 6: Final answer
    x = 9,762.62

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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.