Home / 9,418.13-14,127.63-3,178.19

Finding the Fourth Proportional to 9,418.13, 14,127.63 and 3,178.19

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Solution

The fourth proportional to 9,418.13, 14,127.63 and 3,178.19 is: 4,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.13 : 14,127.63 = 3,178.19 : x
  2. Step 2: Convert to fraction form
    9,418.13/14,127.63 = 3,178.19/x
  3. Step 3: Cross multiply
    9,418.13x = 14,127.63 × 3,178.19
  4. Step 4: Simplify right side
    9,418.13x = 44,900,315.79
  5. Step 5: Solve for x
    x = 44,900,315.79/9,418.13
  6. Step 6: Final answer
    x = 4,767.43

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Similar ratio
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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.