Home / 12,432.30-17,156.05-6,767.06

Finding the Fourth Proportional to 12,432.30, 17,156.05 and 6,767.06

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Solution

The fourth proportional to 12,432.30, 17,156.05 and 6,767.06 is: 9,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.30 : 17,156.05 = 6,767.06 : x
  2. Step 2: Convert to fraction form
    12,432.30/17,156.05 = 6,767.06/x
  3. Step 3: Cross multiply
    12,432.30x = 17,156.05 × 6,767.06
  4. Step 4: Simplify right side
    12,432.30x = 116,096,019.71
  5. Step 5: Solve for x
    x = 116,096,019.71/12,432.30
  6. Step 6: Final answer
    x = 9,338.26

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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.