Home / 10,923.80-16,374.90-4,341.20

Finding the Fourth Proportional to 10,923.80, 16,374.90 and 4,341.20

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Solution

The fourth proportional to 10,923.80, 16,374.90 and 4,341.20 is: 6,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.80 : 16,374.90 = 4,341.20 : x
  2. Step 2: Convert to fraction form
    10,923.80/16,374.90 = 4,341.20/x
  3. Step 3: Cross multiply
    10,923.80x = 16,374.90 × 4,341.20
  4. Step 4: Simplify right side
    10,923.80x = 71,086,715.88
  5. Step 5: Solve for x
    x = 71,086,715.88/10,923.80
  6. Step 6: Final answer
    x = 6,507.51

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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.