Home / 12,410.90-17,126.73-7,105.26

Finding the Fourth Proportional to 12,410.90, 17,126.73 and 7,105.26

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Solution

The fourth proportional to 12,410.90, 17,126.73 and 7,105.26 is: 9,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.90 : 17,126.73 = 7,105.26 : x
  2. Step 2: Convert to fraction form
    12,410.90/17,126.73 = 7,105.26/x
  3. Step 3: Cross multiply
    12,410.90x = 17,126.73 × 7,105.26
  4. Step 4: Simplify right side
    12,410.90x = 121,689,869.60
  5. Step 5: Solve for x
    x = 121,689,869.60/12,410.90
  6. Step 6: Final answer
    x = 9,805.08

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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.