Home / 10,997.84-15,177.54-6,217.98

Finding the Fourth Proportional to 10,997.84, 15,177.54 and 6,217.98

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Solution

The fourth proportional to 10,997.84, 15,177.54 and 6,217.98 is: 8,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.84 : 15,177.54 = 6,217.98 : x
  2. Step 2: Convert to fraction form
    10,997.84/15,177.54 = 6,217.98/x
  3. Step 3: Cross multiply
    10,997.84x = 15,177.54 × 6,217.98
  4. Step 4: Simplify right side
    10,997.84x = 94,373,640.17
  5. Step 5: Solve for x
    x = 94,373,640.17/10,997.84
  6. Step 6: Final answer
    x = 8,581.11

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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.