Home / 12,767.86-19,158.70-5,377.46

Finding the Fourth Proportional to 12,767.86, 19,158.70 and 5,377.46

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Solution

The fourth proportional to 12,767.86, 19,158.70 and 5,377.46 is: 8,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.86 : 19,158.70 = 5,377.46 : x
  2. Step 2: Convert to fraction form
    12,767.86/19,158.70 = 5,377.46/x
  3. Step 3: Cross multiply
    12,767.86x = 19,158.70 × 5,377.46
  4. Step 4: Simplify right side
    12,767.86x = 103,025,142.90
  5. Step 5: Solve for x
    x = 103,025,142.90/12,767.86
  6. Step 6: Final answer
    x = 8,069.10

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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.