Home / 10,551.23-15,821.00-4,315.62

Finding the Fourth Proportional to 10,551.23, 15,821.00 and 4,315.62

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Solution

The fourth proportional to 10,551.23, 15,821.00 and 4,315.62 is: 6,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.23 : 15,821.00 = 4,315.62 : x
  2. Step 2: Convert to fraction form
    10,551.23/15,821.00 = 4,315.62/x
  3. Step 3: Cross multiply
    10,551.23x = 15,821.00 × 4,315.62
  4. Step 4: Simplify right side
    10,551.23x = 68,277,479.98
  5. Step 5: Solve for x
    x = 68,277,479.98/10,551.23
  6. Step 6: Final answer
    x = 6,471.04

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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.