Home / 11,290.08-15,585.80-7,519.52

Finding the Fourth Proportional to 11,290.08, 15,585.80 and 7,519.52

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Solution

The fourth proportional to 11,290.08, 15,585.80 and 7,519.52 is: 10,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.08 : 15,585.80 = 7,519.52 : x
  2. Step 2: Convert to fraction form
    11,290.08/15,585.80 = 7,519.52/x
  3. Step 3: Cross multiply
    11,290.08x = 15,585.80 × 7,519.52
  4. Step 4: Simplify right side
    11,290.08x = 117,197,734.82
  5. Step 5: Solve for x
    x = 117,197,734.82/11,290.08
  6. Step 6: Final answer
    x = 10,380.59

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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.