Home / 11,019.60-15,206.99-5,983.79

Finding the Fourth Proportional to 11,019.60, 15,206.99 and 5,983.79

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Solution

The fourth proportional to 11,019.60, 15,206.99 and 5,983.79 is: 8,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.60 : 15,206.99 = 5,983.79 : x
  2. Step 2: Convert to fraction form
    11,019.60/15,206.99 = 5,983.79/x
  3. Step 3: Cross multiply
    11,019.60x = 15,206.99 × 5,983.79
  4. Step 4: Simplify right side
    11,019.60x = 90,995,328.74
  5. Step 5: Solve for x
    x = 90,995,328.74/11,019.60
  6. Step 6: Final answer
    x = 8,257.59

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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.