Home / 9,427.18-14,142.79-3,186.88

Finding the Fourth Proportional to 9,427.18, 14,142.79 and 3,186.88

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Solution

The fourth proportional to 9,427.18, 14,142.79 and 3,186.88 is: 4,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.18 : 14,142.79 = 3,186.88 : x
  2. Step 2: Convert to fraction form
    9,427.18/14,142.79 = 3,186.88/x
  3. Step 3: Cross multiply
    9,427.18x = 14,142.79 × 3,186.88
  4. Step 4: Simplify right side
    9,427.18x = 45,071,396.26
  5. Step 5: Solve for x
    x = 45,071,396.26/9,427.18
  6. Step 6: Final answer
    x = 4,781.01

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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.