Home / 10,934.80-16,391.40-4,352.20

Finding the Fourth Proportional to 10,934.80, 16,391.40 and 4,352.20

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Solution

The fourth proportional to 10,934.80, 16,391.40 and 4,352.20 is: 6,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.80 : 16,391.40 = 4,352.20 : x
  2. Step 2: Convert to fraction form
    10,934.80/16,391.40 = 4,352.20/x
  3. Step 3: Cross multiply
    10,934.80x = 16,391.40 × 4,352.20
  4. Step 4: Simplify right side
    10,934.80x = 71,338,651.08
  5. Step 5: Solve for x
    x = 71,338,651.08/10,934.80
  6. Step 6: Final answer
    x = 6,524.00

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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.