Home / 9,089.56-12,549.90-6,998.68

Finding the Fourth Proportional to 9,089.56, 12,549.90 and 6,998.68

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Solution

The fourth proportional to 9,089.56, 12,549.90 and 6,998.68 is: 9,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.56 : 12,549.90 = 6,998.68 : x
  2. Step 2: Convert to fraction form
    9,089.56/12,549.90 = 6,998.68/x
  3. Step 3: Cross multiply
    9,089.56x = 12,549.90 × 6,998.68
  4. Step 4: Simplify right side
    9,089.56x = 87,832,734.13
  5. Step 5: Solve for x
    x = 87,832,734.13/9,089.56
  6. Step 6: Final answer
    x = 9,663.03

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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.