Home / 9,115.02-12,496.68-8,948.94

Finding the Fourth Proportional to 9,115.02, 12,496.68 and 8,948.94

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Solution

The fourth proportional to 9,115.02, 12,496.68 and 8,948.94 is: 12,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.02 : 12,496.68 = 8,948.94 : x
  2. Step 2: Convert to fraction form
    9,115.02/12,496.68 = 8,948.94/x
  3. Step 3: Cross multiply
    9,115.02x = 12,496.68 × 8,948.94
  4. Step 4: Simplify right side
    9,115.02x = 111,832,039.52
  5. Step 5: Solve for x
    x = 111,832,039.52/9,115.02
  6. Step 6: Final answer
    x = 12,268.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.