Home / 11,070.88-15,277.12-6,351.84

Finding the Fourth Proportional to 11,070.88, 15,277.12 and 6,351.84

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Solution

The fourth proportional to 11,070.88, 15,277.12 and 6,351.84 is: 8,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.88 : 15,277.12 = 6,351.84 : x
  2. Step 2: Convert to fraction form
    11,070.88/15,277.12 = 6,351.84/x
  3. Step 3: Cross multiply
    11,070.88x = 15,277.12 × 6,351.84
  4. Step 4: Simplify right side
    11,070.88x = 97,037,821.90
  5. Step 5: Solve for x
    x = 97,037,821.90/11,070.88
  6. Step 6: Final answer
    x = 8,765.14

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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.