Home / 18,340.16-25,306.43-10,380.69

Finding the Fourth Proportional to 18,340.16, 25,306.43 and 10,380.69

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Solution

The fourth proportional to 18,340.16, 25,306.43 and 10,380.69 is: 14,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.16 : 25,306.43 = 10,380.69 : x
  2. Step 2: Convert to fraction form
    18,340.16/25,306.43 = 10,380.69/x
  3. Step 3: Cross multiply
    18,340.16x = 25,306.43 × 10,380.69
  4. Step 4: Simplify right side
    18,340.16x = 262,698,152.93
  5. Step 5: Solve for x
    x = 262,698,152.93/18,340.16
  6. Step 6: Final answer
    x = 14,323.66

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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.