Home / 11,414.04-15,750.90-6,378.18

Finding the Fourth Proportional to 11,414.04, 15,750.90 and 6,378.18

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Solution

The fourth proportional to 11,414.04, 15,750.90 and 6,378.18 is: 8,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.04 : 15,750.90 = 6,378.18 : x
  2. Step 2: Convert to fraction form
    11,414.04/15,750.90 = 6,378.18/x
  3. Step 3: Cross multiply
    11,414.04x = 15,750.90 × 6,378.18
  4. Step 4: Simplify right side
    11,414.04x = 100,462,075.36
  5. Step 5: Solve for x
    x = 100,462,075.36/11,414.04
  6. Step 6: Final answer
    x = 8,801.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.