Home / 18,429.74-25,433.03-10,876.08

Finding the Fourth Proportional to 18,429.74, 25,433.03 and 10,876.08

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Solution

The fourth proportional to 18,429.74, 25,433.03 and 10,876.08 is: 15,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.74 : 25,433.03 = 10,876.08 : x
  2. Step 2: Convert to fraction form
    18,429.74/25,433.03 = 10,876.08/x
  3. Step 3: Cross multiply
    18,429.74x = 25,433.03 × 10,876.08
  4. Step 4: Simplify right side
    18,429.74x = 276,611,614.54
  5. Step 5: Solve for x
    x = 276,611,614.54/18,429.74
  6. Step 6: Final answer
    x = 15,008.98

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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.