Home / 17,107.90-23,590.28-11,128.48

Finding the Fourth Proportional to 17,107.90, 23,590.28 and 11,128.48

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Solution

The fourth proportional to 17,107.90, 23,590.28 and 11,128.48 is: 15,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,107.90 : 23,590.28 = 11,128.48 : x
  2. Step 2: Convert to fraction form
    17,107.90/23,590.28 = 11,128.48/x
  3. Step 3: Cross multiply
    17,107.90x = 23,590.28 × 11,128.48
  4. Step 4: Simplify right side
    17,107.90x = 262,523,959.17
  5. Step 5: Solve for x
    x = 262,523,959.17/17,107.90
  6. Step 6: Final answer
    x = 15,345.19

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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.