Home / 15,821.87-23,721.09-9,580.42

Finding the Fourth Proportional to 15,821.87, 23,721.09 and 9,580.42

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Solution

The fourth proportional to 15,821.87, 23,721.09 and 9,580.42 is: 14,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.87 : 23,721.09 = 9,580.42 : x
  2. Step 2: Convert to fraction form
    15,821.87/23,721.09 = 9,580.42/x
  3. Step 3: Cross multiply
    15,821.87x = 23,721.09 × 9,580.42
  4. Step 4: Simplify right side
    15,821.87x = 227,257,945.76
  5. Step 5: Solve for x
    x = 227,257,945.76/15,821.87
  6. Step 6: Final answer
    x = 14,363.53

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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.