Home / 18,272.52-25,214.67-10,315.53

Finding the Fourth Proportional to 18,272.52, 25,214.67 and 10,315.53

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Solution

The fourth proportional to 18,272.52, 25,214.67 and 10,315.53 is: 14,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.52 : 25,214.67 = 10,315.53 : x
  2. Step 2: Convert to fraction form
    18,272.52/25,214.67 = 10,315.53/x
  3. Step 3: Cross multiply
    18,272.52x = 25,214.67 × 10,315.53
  4. Step 4: Simplify right side
    18,272.52x = 260,102,684.83
  5. Step 5: Solve for x
    x = 260,102,684.83/18,272.52
  6. Step 6: Final answer
    x = 14,234.64

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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.