Home / 10,370.01-15,555-2,578.83

Finding the Fourth Proportional to 10,370.01, 15,555 and 2,578.83

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Solution

The fourth proportional to 10,370.01, 15,555 and 2,578.83 is: 3,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.01 : 15,555 = 2,578.83 : x
  2. Step 2: Convert to fraction form
    10,370.01/15,555 = 2,578.83/x
  3. Step 3: Cross multiply
    10,370.01x = 15,555 × 2,578.83
  4. Step 4: Simplify right side
    10,370.01x = 40,113,700.65
  5. Step 5: Solve for x
    x = 40,113,700.65/10,370.01
  6. Step 6: Final answer
    x = 3,868.24

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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.