Home / 10,370.72-15,559.79-4,445.12

Finding the Fourth Proportional to 10,370.72, 15,559.79 and 4,445.12

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Solution

The fourth proportional to 10,370.72, 15,559.79 and 4,445.12 is: 6,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.72 : 15,559.79 = 4,445.12 : x
  2. Step 2: Convert to fraction form
    10,370.72/15,559.79 = 4,445.12/x
  3. Step 3: Cross multiply
    10,370.72x = 15,559.79 × 4,445.12
  4. Step 4: Simplify right side
    10,370.72x = 69,165,033.70
  5. Step 5: Solve for x
    x = 69,165,033.70/10,370.72
  6. Step 6: Final answer
    x = 6,669.26

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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.