Home / 18,320.45-25,281.02-10,252.76

Finding the Fourth Proportional to 18,320.45, 25,281.02 and 10,252.76

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Solution

The fourth proportional to 18,320.45, 25,281.02 and 10,252.76 is: 14,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.45 : 25,281.02 = 10,252.76 : x
  2. Step 2: Convert to fraction form
    18,320.45/25,281.02 = 10,252.76/x
  3. Step 3: Cross multiply
    18,320.45x = 25,281.02 × 10,252.76
  4. Step 4: Simplify right side
    18,320.45x = 259,200,129.84
  5. Step 5: Solve for x
    x = 259,200,129.84/18,320.45
  6. Step 6: Final answer
    x = 14,148.14

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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.