Home / 10,370.55-15,555.83-2,579.36

Finding the Fourth Proportional to 10,370.55, 15,555.83 and 2,579.36

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Solution

The fourth proportional to 10,370.55, 15,555.83 and 2,579.36 is: 3,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.55 : 15,555.83 = 2,579.36 : x
  2. Step 2: Convert to fraction form
    10,370.55/15,555.83 = 2,579.36/x
  3. Step 3: Cross multiply
    10,370.55x = 15,555.83 × 2,579.36
  4. Step 4: Simplify right side
    10,370.55x = 40,124,085.67
  5. Step 5: Solve for x
    x = 40,124,085.67/10,370.55
  6. Step 6: Final answer
    x = 3,869.04

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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.