Home / 9,091.56-12,552.66-7,000.68

Finding the Fourth Proportional to 9,091.56, 12,552.66 and 7,000.68

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Solution

The fourth proportional to 9,091.56, 12,552.66 and 7,000.68 is: 9,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.56 : 12,552.66 = 7,000.68 : x
  2. Step 2: Convert to fraction form
    9,091.56/12,552.66 = 7,000.68/x
  3. Step 3: Cross multiply
    9,091.56x = 12,552.66 × 7,000.68
  4. Step 4: Simplify right side
    9,091.56x = 87,877,155.81
  5. Step 5: Solve for x
    x = 87,877,155.81/9,091.56
  6. Step 6: Final answer
    x = 9,665.80

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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.