Home / 10,821.50-16,219.95-4,577.62

Finding the Fourth Proportional to 10,821.50, 16,219.95 and 4,577.62

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Solution

The fourth proportional to 10,821.50, 16,219.95 and 4,577.62 is: 6,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.50 : 16,219.95 = 4,577.62 : x
  2. Step 2: Convert to fraction form
    10,821.50/16,219.95 = 4,577.62/x
  3. Step 3: Cross multiply
    10,821.50x = 16,219.95 × 4,577.62
  4. Step 4: Simplify right side
    10,821.50x = 74,248,726.97
  5. Step 5: Solve for x
    x = 74,248,726.97/10,821.50
  6. Step 6: Final answer
    x = 6,861.22

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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.