Home / 13,275.12-19,910.16-5,377.17

Finding the Fourth Proportional to 13,275.12, 19,910.16 and 5,377.17

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Solution

The fourth proportional to 13,275.12, 19,910.16 and 5,377.17 is: 8,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.12 : 19,910.16 = 5,377.17 : x
  2. Step 2: Convert to fraction form
    13,275.12/19,910.16 = 5,377.17/x
  3. Step 3: Cross multiply
    13,275.12x = 19,910.16 × 5,377.17
  4. Step 4: Simplify right side
    13,275.12x = 107,060,315.05
  5. Step 5: Solve for x
    x = 107,060,315.05/13,275.12
  6. Step 6: Final answer
    x = 8,064.73

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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.