Home / 9,091.28-12,555.18-6,849.68

Finding the Fourth Proportional to 9,091.28, 12,555.18 and 6,849.68

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Solution

The fourth proportional to 9,091.28, 12,555.18 and 6,849.68 is: 9,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.28 : 12,555.18 = 6,849.68 : x
  2. Step 2: Convert to fraction form
    9,091.28/12,555.18 = 6,849.68/x
  3. Step 3: Cross multiply
    9,091.28x = 12,555.18 × 6,849.68
  4. Step 4: Simplify right side
    9,091.28x = 85,998,965.34
  5. Step 5: Solve for x
    x = 85,998,965.34/9,091.28
  6. Step 6: Final answer
    x = 9,459.50

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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.