Home / 12,331-17,017.20-6,742.36

Finding the Fourth Proportional to 12,331, 17,017.20 and 6,742.36

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Solution

The fourth proportional to 12,331, 17,017.20 and 6,742.36 is: 9,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331 : 17,017.20 = 6,742.36 : x
  2. Step 2: Convert to fraction form
    12,331/17,017.20 = 6,742.36/x
  3. Step 3: Cross multiply
    12,331x = 17,017.20 × 6,742.36
  4. Step 4: Simplify right side
    12,331x = 114,736,088.59
  5. Step 5: Solve for x
    x = 114,736,088.59/12,331
  6. Step 6: Final answer
    x = 9,304.69

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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.