Home / 20,641.74-30,962.61-5,850.78

Finding the Fourth Proportional to 20,641.74, 30,962.61 and 5,850.78

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Solution

The fourth proportional to 20,641.74, 30,962.61 and 5,850.78 is: 8,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.74 : 30,962.61 = 5,850.78 : x
  2. Step 2: Convert to fraction form
    20,641.74/30,962.61 = 5,850.78/x
  3. Step 3: Cross multiply
    20,641.74x = 30,962.61 × 5,850.78
  4. Step 4: Simplify right side
    20,641.74x = 181,155,419.34
  5. Step 5: Solve for x
    x = 181,155,419.34/20,641.74
  6. Step 6: Final answer
    x = 8,776.17

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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.