Home / 10,370.54-15,555.80-2,579.35

Finding the Fourth Proportional to 10,370.54, 15,555.80 and 2,579.35

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Solution

The fourth proportional to 10,370.54, 15,555.80 and 2,579.35 is: 3,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.54 : 15,555.80 = 2,579.35 : x
  2. Step 2: Convert to fraction form
    10,370.54/15,555.80 = 2,579.35/x
  3. Step 3: Cross multiply
    10,370.54x = 15,555.80 × 2,579.35
  4. Step 4: Simplify right side
    10,370.54x = 40,123,762.05
  5. Step 5: Solve for x
    x = 40,123,762.05/10,370.54
  6. Step 6: Final answer
    x = 3,869.02

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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.