Home / 12,652.08-17,459.88-6,986.70

Finding the Fourth Proportional to 12,652.08, 17,459.88 and 6,986.70

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Solution

The fourth proportional to 12,652.08, 17,459.88 and 6,986.70 is: 9,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.08 : 17,459.88 = 6,986.70 : x
  2. Step 2: Convert to fraction form
    12,652.08/17,459.88 = 6,986.70/x
  3. Step 3: Cross multiply
    12,652.08x = 17,459.88 × 6,986.70
  4. Step 4: Simplify right side
    12,652.08x = 121,986,943.60
  5. Step 5: Solve for x
    x = 121,986,943.60/12,652.08
  6. Step 6: Final answer
    x = 9,641.65

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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.