Home / 18,272.61-25,211.93-10,718.55

Finding the Fourth Proportional to 18,272.61, 25,211.93 and 10,718.55

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Solution

The fourth proportional to 18,272.61, 25,211.93 and 10,718.55 is: 14,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.61 : 25,211.93 = 10,718.55 : x
  2. Step 2: Convert to fraction form
    18,272.61/25,211.93 = 10,718.55/x
  3. Step 3: Cross multiply
    18,272.61x = 25,211.93 × 10,718.55
  4. Step 4: Simplify right side
    18,272.61x = 270,235,278.71
  5. Step 5: Solve for x
    x = 270,235,278.71/18,272.61
  6. Step 6: Final answer
    x = 14,789.09

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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.