Home / 17,640.48-26,456.16-7,259.52

Finding the Fourth Proportional to 17,640.48, 26,456.16 and 7,259.52

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Solution

The fourth proportional to 17,640.48, 26,456.16 and 7,259.52 is: 10,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.48 : 26,456.16 = 7,259.52 : x
  2. Step 2: Convert to fraction form
    17,640.48/26,456.16 = 7,259.52/x
  3. Step 3: Cross multiply
    17,640.48x = 26,456.16 × 7,259.52
  4. Step 4: Simplify right side
    17,640.48x = 192,059,022.64
  5. Step 5: Solve for x
    x = 192,059,022.64/17,640.48
  6. Step 6: Final answer
    x = 10,887.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.