Home / 10,240.50-15,363.27-3,315

Finding the Fourth Proportional to 10,240.50, 15,363.27 and 3,315

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Solution

The fourth proportional to 10,240.50, 15,363.27 and 3,315 is: 4,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.50 : 15,363.27 = 3,315 : x
  2. Step 2: Convert to fraction form
    10,240.50/15,363.27 = 3,315/x
  3. Step 3: Cross multiply
    10,240.50x = 15,363.27 × 3,315
  4. Step 4: Simplify right side
    10,240.50x = 50,929,240.05
  5. Step 5: Solve for x
    x = 50,929,240.05/10,240.50
  6. Step 6: Final answer
    x = 4,973.32

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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.