Home / 10,604.16-15,911.70-4,368.78

Finding the Fourth Proportional to 10,604.16, 15,911.70 and 4,368.78

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Solution

The fourth proportional to 10,604.16, 15,911.70 and 4,368.78 is: 6,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.16 : 15,911.70 = 4,368.78 : x
  2. Step 2: Convert to fraction form
    10,604.16/15,911.70 = 4,368.78/x
  3. Step 3: Cross multiply
    10,604.16x = 15,911.70 × 4,368.78
  4. Step 4: Simplify right side
    10,604.16x = 69,514,716.73
  5. Step 5: Solve for x
    x = 69,514,716.73/10,604.16
  6. Step 6: Final answer
    x = 6,555.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.