Home / 12,275.75-16,946.94-9,581.18

Finding the Fourth Proportional to 12,275.75, 16,946.94 and 9,581.18

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Solution

The fourth proportional to 12,275.75, 16,946.94 and 9,581.18 is: 13,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.75 : 16,946.94 = 9,581.18 : x
  2. Step 2: Convert to fraction form
    12,275.75/16,946.94 = 9,581.18/x
  3. Step 3: Cross multiply
    12,275.75x = 16,946.94 × 9,581.18
  4. Step 4: Simplify right side
    12,275.75x = 162,371,597.85
  5. Step 5: Solve for x
    x = 162,371,597.85/12,275.75
  6. Step 6: Final answer
    x = 13,227.03

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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.