Home / 18,278.79-25,224.90-10,725.24

Finding the Fourth Proportional to 18,278.79, 25,224.90 and 10,725.24

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Solution

The fourth proportional to 18,278.79, 25,224.90 and 10,725.24 is: 14,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.79 : 25,224.90 = 10,725.24 : x
  2. Step 2: Convert to fraction form
    18,278.79/25,224.90 = 10,725.24/x
  3. Step 3: Cross multiply
    18,278.79x = 25,224.90 × 10,725.24
  4. Step 4: Simplify right side
    18,278.79x = 270,543,106.48
  5. Step 5: Solve for x
    x = 270,543,106.48/18,278.79
  6. Step 6: Final answer
    x = 14,800.93

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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.