Home / 12,039.60-16,617.24-7,325.40

Finding the Fourth Proportional to 12,039.60, 16,617.24 and 7,325.40

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Solution

The fourth proportional to 12,039.60, 16,617.24 and 7,325.40 is: 10,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.60 : 16,617.24 = 7,325.40 : x
  2. Step 2: Convert to fraction form
    12,039.60/16,617.24 = 7,325.40/x
  3. Step 3: Cross multiply
    12,039.60x = 16,617.24 × 7,325.40
  4. Step 4: Simplify right side
    12,039.60x = 121,727,929.90
  5. Step 5: Solve for x
    x = 121,727,929.90/12,039.60
  6. Step 6: Final answer
    x = 10,110.63

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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.