Home / 10,962.08-15,123.84-6,245.12

Finding the Fourth Proportional to 10,962.08, 15,123.84 and 6,245.12

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Solution

The fourth proportional to 10,962.08, 15,123.84 and 6,245.12 is: 8,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.08 : 15,123.84 = 6,245.12 : x
  2. Step 2: Convert to fraction form
    10,962.08/15,123.84 = 6,245.12/x
  3. Step 3: Cross multiply
    10,962.08x = 15,123.84 × 6,245.12
  4. Step 4: Simplify right side
    10,962.08x = 94,450,195.66
  5. Step 5: Solve for x
    x = 94,450,195.66/10,962.08
  6. Step 6: Final answer
    x = 8,616.08

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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.