Home / 12,113.28-18,178.14-6,568.44

Finding the Fourth Proportional to 12,113.28, 18,178.14 and 6,568.44

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Solution

The fourth proportional to 12,113.28, 18,178.14 and 6,568.44 is: 9,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.28 : 18,178.14 = 6,568.44 : x
  2. Step 2: Convert to fraction form
    12,113.28/18,178.14 = 6,568.44/x
  3. Step 3: Cross multiply
    12,113.28x = 18,178.14 × 6,568.44
  4. Step 4: Simplify right side
    12,113.28x = 119,402,021.90
  5. Step 5: Solve for x
    x = 119,402,021.90/12,113.28
  6. Step 6: Final answer
    x = 9,857.12

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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.