Home / 10,510.11-15,760.58-5,578.65

Finding the Fourth Proportional to 10,510.11, 15,760.58 and 5,578.65

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Solution

The fourth proportional to 10,510.11, 15,760.58 and 5,578.65 is: 8,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.11 : 15,760.58 = 5,578.65 : x
  2. Step 2: Convert to fraction form
    10,510.11/15,760.58 = 5,578.65/x
  3. Step 3: Cross multiply
    10,510.11x = 15,760.58 × 5,578.65
  4. Step 4: Simplify right side
    10,510.11x = 87,922,731.72
  5. Step 5: Solve for x
    x = 87,922,731.72/10,510.11
  6. Step 6: Final answer
    x = 8,365.54

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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.