Home / 18,338.46-25,307.68-10,380.52

Finding the Fourth Proportional to 18,338.46, 25,307.68 and 10,380.52

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Solution

The fourth proportional to 18,338.46, 25,307.68 and 10,380.52 is: 14,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.46 : 25,307.68 = 10,380.52 : x
  2. Step 2: Convert to fraction form
    18,338.46/25,307.68 = 10,380.52/x
  3. Step 3: Cross multiply
    18,338.46x = 25,307.68 × 10,380.52
  4. Step 4: Simplify right side
    18,338.46x = 262,706,751.86
  5. Step 5: Solve for x
    x = 262,706,751.86/18,338.46
  6. Step 6: Final answer
    x = 14,325.45

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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.