Home / 17,020.80-23,488.65-9,945.81

Finding the Fourth Proportional to 17,020.80, 23,488.65 and 9,945.81

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Solution

The fourth proportional to 17,020.80, 23,488.65 and 9,945.81 is: 13,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.80 : 23,488.65 = 9,945.81 : x
  2. Step 2: Convert to fraction form
    17,020.80/23,488.65 = 9,945.81/x
  3. Step 3: Cross multiply
    17,020.80x = 23,488.65 × 9,945.81
  4. Step 4: Simplify right side
    17,020.80x = 233,613,650.06
  5. Step 5: Solve for x
    x = 233,613,650.06/17,020.80
  6. Step 6: Final answer
    x = 13,725.19

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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.