Home / 18,280.80-25,227.18-10,322.46

Finding the Fourth Proportional to 18,280.80, 25,227.18 and 10,322.46

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Solution

The fourth proportional to 18,280.80, 25,227.18 and 10,322.46 is: 14,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.80 : 25,227.18 = 10,322.46 : x
  2. Step 2: Convert to fraction form
    18,280.80/25,227.18 = 10,322.46/x
  3. Step 3: Cross multiply
    18,280.80x = 25,227.18 × 10,322.46
  4. Step 4: Simplify right side
    18,280.80x = 260,406,556.46
  5. Step 5: Solve for x
    x = 260,406,556.46/18,280.80
  6. Step 6: Final answer
    x = 14,244.81

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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.