Home / 18,237.15-25,168.73-10,280.12

Finding the Fourth Proportional to 18,237.15, 25,168.73 and 10,280.12

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Solution

The fourth proportional to 18,237.15, 25,168.73 and 10,280.12 is: 14,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.15 : 25,168.73 = 10,280.12 : x
  2. Step 2: Convert to fraction form
    18,237.15/25,168.73 = 10,280.12/x
  3. Step 3: Cross multiply
    18,237.15x = 25,168.73 × 10,280.12
  4. Step 4: Simplify right side
    18,237.15x = 258,737,387.40
  5. Step 5: Solve for x
    x = 258,737,387.40/18,237.15
  6. Step 6: Final answer
    x = 14,187.38

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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.