Home / 11,042.90-15,235.02-7,057.09

Finding the Fourth Proportional to 11,042.90, 15,235.02 and 7,057.09

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Solution

The fourth proportional to 11,042.90, 15,235.02 and 7,057.09 is: 9,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.90 : 15,235.02 = 7,057.09 : x
  2. Step 2: Convert to fraction form
    11,042.90/15,235.02 = 7,057.09/x
  3. Step 3: Cross multiply
    11,042.90x = 15,235.02 × 7,057.09
  4. Step 4: Simplify right side
    11,042.90x = 107,514,831.12
  5. Step 5: Solve for x
    x = 107,514,831.12/11,042.90
  6. Step 6: Final answer
    x = 9,736.11

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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.