Home / 11,079.98-15,291.84-7,047.18

Finding the Fourth Proportional to 11,079.98, 15,291.84 and 7,047.18

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Solution

The fourth proportional to 11,079.98, 15,291.84 and 7,047.18 is: 9,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.98 : 15,291.84 = 7,047.18 : x
  2. Step 2: Convert to fraction form
    11,079.98/15,291.84 = 7,047.18/x
  3. Step 3: Cross multiply
    11,079.98x = 15,291.84 × 7,047.18
  4. Step 4: Simplify right side
    11,079.98x = 107,764,349.01
  5. Step 5: Solve for x
    x = 107,764,349.01/11,079.98
  6. Step 6: Final answer
    x = 9,726.05

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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.