Home / 8,966.17-12,374.63-5,381.38

Finding the Fourth Proportional to 8,966.17, 12,374.63 and 5,381.38

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Solution

The fourth proportional to 8,966.17, 12,374.63 and 5,381.38 is: 7,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.17 : 12,374.63 = 5,381.38 : x
  2. Step 2: Convert to fraction form
    8,966.17/12,374.63 = 5,381.38/x
  3. Step 3: Cross multiply
    8,966.17x = 12,374.63 × 5,381.38
  4. Step 4: Simplify right side
    8,966.17x = 66,592,586.39
  5. Step 5: Solve for x
    x = 66,592,586.39/8,966.17
  6. Step 6: Final answer
    x = 7,427.09

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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.