Home / 10,617.40-15,920.10-4,043.80

Finding the Fourth Proportional to 10,617.40, 15,920.10 and 4,043.80

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Solution

The fourth proportional to 10,617.40, 15,920.10 and 4,043.80 is: 6,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.40 : 15,920.10 = 4,043.80 : x
  2. Step 2: Convert to fraction form
    10,617.40/15,920.10 = 4,043.80/x
  3. Step 3: Cross multiply
    10,617.40x = 15,920.10 × 4,043.80
  4. Step 4: Simplify right side
    10,617.40x = 64,377,700.38
  5. Step 5: Solve for x
    x = 64,377,700.38/10,617.40
  6. Step 6: Final answer
    x = 6,063.41

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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.