Home / 10,510.26-15,766.28-5,579.79

Finding the Fourth Proportional to 10,510.26, 15,766.28 and 5,579.79

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Solution

The fourth proportional to 10,510.26, 15,766.28 and 5,579.79 is: 8,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.26 : 15,766.28 = 5,579.79 : x
  2. Step 2: Convert to fraction form
    10,510.26/15,766.28 = 5,579.79/x
  3. Step 3: Cross multiply
    10,510.26x = 15,766.28 × 5,579.79
  4. Step 4: Simplify right side
    10,510.26x = 87,972,465.38
  5. Step 5: Solve for x
    x = 87,972,465.38/10,510.26
  6. Step 6: Final answer
    x = 8,370.15

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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.