Home / 11,290.20-15,580.53-6,574.65

Finding the Fourth Proportional to 11,290.20, 15,580.53 and 6,574.65

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Solution

The fourth proportional to 11,290.20, 15,580.53 and 6,574.65 is: 9,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.20 : 15,580.53 = 6,574.65 : x
  2. Step 2: Convert to fraction form
    11,290.20/15,580.53 = 6,574.65/x
  3. Step 3: Cross multiply
    11,290.20x = 15,580.53 × 6,574.65
  4. Step 4: Simplify right side
    11,290.20x = 102,436,531.56
  5. Step 5: Solve for x
    x = 102,436,531.56/11,290.20
  6. Step 6: Final answer
    x = 9,073.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.