Home / 11,559.28-17,331.62-6,368.80

Finding the Fourth Proportional to 11,559.28, 17,331.62 and 6,368.80

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Solution

The fourth proportional to 11,559.28, 17,331.62 and 6,368.80 is: 9,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.28 : 17,331.62 = 6,368.80 : x
  2. Step 2: Convert to fraction form
    11,559.28/17,331.62 = 6,368.80/x
  3. Step 3: Cross multiply
    11,559.28x = 17,331.62 × 6,368.80
  4. Step 4: Simplify right side
    11,559.28x = 110,381,621.46
  5. Step 5: Solve for x
    x = 110,381,621.46/11,559.28
  6. Step 6: Final answer
    x = 9,549.18

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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.