Home / 10,949.10-15,107.08-6,168.12

Finding the Fourth Proportional to 10,949.10, 15,107.08 and 6,168.12

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Solution

The fourth proportional to 10,949.10, 15,107.08 and 6,168.12 is: 8,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.10 : 15,107.08 = 6,168.12 : x
  2. Step 2: Convert to fraction form
    10,949.10/15,107.08 = 6,168.12/x
  3. Step 3: Cross multiply
    10,949.10x = 15,107.08 × 6,168.12
  4. Step 4: Simplify right side
    10,949.10x = 93,182,282.29
  5. Step 5: Solve for x
    x = 93,182,282.29/10,949.10
  6. Step 6: Final answer
    x = 8,510.50

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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.