Home / 10,996.79-15,177.60-6,281.07

Finding the Fourth Proportional to 10,996.79, 15,177.60 and 6,281.07

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Solution

The fourth proportional to 10,996.79, 15,177.60 and 6,281.07 is: 8,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.79 : 15,177.60 = 6,281.07 : x
  2. Step 2: Convert to fraction form
    10,996.79/15,177.60 = 6,281.07/x
  3. Step 3: Cross multiply
    10,996.79x = 15,177.60 × 6,281.07
  4. Step 4: Simplify right side
    10,996.79x = 95,331,568.03
  5. Step 5: Solve for x
    x = 95,331,568.03/10,996.79
  6. Step 6: Final answer
    x = 8,669.04

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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.