Home / 18,275.99-25,222.05-10,318.41

Finding the Fourth Proportional to 18,275.99, 25,222.05 and 10,318.41

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Solution

The fourth proportional to 18,275.99, 25,222.05 and 10,318.41 is: 14,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.99 : 25,222.05 = 10,318.41 : x
  2. Step 2: Convert to fraction form
    18,275.99/25,222.05 = 10,318.41/x
  3. Step 3: Cross multiply
    18,275.99x = 25,222.05 × 10,318.41
  4. Step 4: Simplify right side
    18,275.99x = 260,251,452.94
  5. Step 5: Solve for x
    x = 260,251,452.94/18,275.99
  6. Step 6: Final answer
    x = 14,240.08

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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.