Home / 12,486.60-17,226.06-8,232.18

Finding the Fourth Proportional to 12,486.60, 17,226.06 and 8,232.18

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Solution

The fourth proportional to 12,486.60, 17,226.06 and 8,232.18 is: 11,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.60 : 17,226.06 = 8,232.18 : x
  2. Step 2: Convert to fraction form
    12,486.60/17,226.06 = 8,232.18/x
  3. Step 3: Cross multiply
    12,486.60x = 17,226.06 × 8,232.18
  4. Step 4: Simplify right side
    12,486.60x = 141,808,026.61
  5. Step 5: Solve for x
    x = 141,808,026.61/12,486.60
  6. Step 6: Final answer
    x = 11,356.82

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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.