Home / 10,815.40-16,224.12-3,024.21

Finding the Fourth Proportional to 10,815.40, 16,224.12 and 3,024.21

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Solution

The fourth proportional to 10,815.40, 16,224.12 and 3,024.21 is: 4,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.40 : 16,224.12 = 3,024.21 : x
  2. Step 2: Convert to fraction form
    10,815.40/16,224.12 = 3,024.21/x
  3. Step 3: Cross multiply
    10,815.40x = 16,224.12 × 3,024.21
  4. Step 4: Simplify right side
    10,815.40x = 49,065,169.66
  5. Step 5: Solve for x
    x = 49,065,169.66/10,815.40
  6. Step 6: Final answer
    x = 4,536.60

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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.