Home / 11,272.90-15,559.95-7,293.91

Finding the Fourth Proportional to 11,272.90, 15,559.95 and 7,293.91

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Solution

The fourth proportional to 11,272.90, 15,559.95 and 7,293.91 is: 10,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.90 : 15,559.95 = 7,293.91 : x
  2. Step 2: Convert to fraction form
    11,272.90/15,559.95 = 7,293.91/x
  3. Step 3: Cross multiply
    11,272.90x = 15,559.95 × 7,293.91
  4. Step 4: Simplify right side
    11,272.90x = 113,492,874.90
  5. Step 5: Solve for x
    x = 113,492,874.90/11,272.90
  6. Step 6: Final answer
    x = 10,067.76

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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.