Home / 21,608.13-32,412.19-5,192.13

Finding the Fourth Proportional to 21,608.13, 32,412.19 and 5,192.13

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Solution

The fourth proportional to 21,608.13, 32,412.19 and 5,192.13 is: 7,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.13 : 32,412.19 = 5,192.13 : x
  2. Step 2: Convert to fraction form
    21,608.13/32,412.19 = 5,192.13/x
  3. Step 3: Cross multiply
    21,608.13x = 32,412.19 × 5,192.13
  4. Step 4: Simplify right side
    21,608.13x = 168,288,304.06
  5. Step 5: Solve for x
    x = 168,288,304.06/21,608.13
  6. Step 6: Final answer
    x = 7,788.19

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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.