Home / 18,360.42-25,337.79-10,404.33

Finding the Fourth Proportional to 18,360.42, 25,337.79 and 10,404.33

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Solution

The fourth proportional to 18,360.42, 25,337.79 and 10,404.33 is: 14,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.42 : 25,337.79 = 10,404.33 : x
  2. Step 2: Convert to fraction form
    18,360.42/25,337.79 = 10,404.33/x
  3. Step 3: Cross multiply
    18,360.42x = 25,337.79 × 10,404.33
  4. Step 4: Simplify right side
    18,360.42x = 263,622,728.63
  5. Step 5: Solve for x
    x = 263,622,728.63/18,360.42
  6. Step 6: Final answer
    x = 14,358.21

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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.