Home / 11,290.92-15,581.40-6,575.52

Finding the Fourth Proportional to 11,290.92, 15,581.40 and 6,575.52

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Solution

The fourth proportional to 11,290.92, 15,581.40 and 6,575.52 is: 9,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.92 : 15,581.40 = 6,575.52 : x
  2. Step 2: Convert to fraction form
    11,290.92/15,581.40 = 6,575.52/x
  3. Step 3: Cross multiply
    11,290.92x = 15,581.40 × 6,575.52
  4. Step 4: Simplify right side
    11,290.92x = 102,455,807.33
  5. Step 5: Solve for x
    x = 102,455,807.33/11,290.92
  6. Step 6: Final answer
    x = 9,074.18

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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.