Home / 11,019.47-15,206.85-5,983.65

Finding the Fourth Proportional to 11,019.47, 15,206.85 and 5,983.65

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Solution

The fourth proportional to 11,019.47, 15,206.85 and 5,983.65 is: 8,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.47 : 15,206.85 = 5,983.65 : x
  2. Step 2: Convert to fraction form
    11,019.47/15,206.85 = 5,983.65/x
  3. Step 3: Cross multiply
    11,019.47x = 15,206.85 × 5,983.65
  4. Step 4: Simplify right side
    11,019.47x = 90,992,468.00
  5. Step 5: Solve for x
    x = 90,992,468.00/11,019.47
  6. Step 6: Final answer
    x = 8,257.43

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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.