Home / 17,685.47-26,529.33-5,205.26

Finding the Fourth Proportional to 17,685.47, 26,529.33 and 5,205.26

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Solution

The fourth proportional to 17,685.47, 26,529.33 and 5,205.26 is: 7,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.47 : 26,529.33 = 5,205.26 : x
  2. Step 2: Convert to fraction form
    17,685.47/26,529.33 = 5,205.26/x
  3. Step 3: Cross multiply
    17,685.47x = 26,529.33 × 5,205.26
  4. Step 4: Simplify right side
    17,685.47x = 138,092,060.28
  5. Step 5: Solve for x
    x = 138,092,060.28/17,685.47
  6. Step 6: Final answer
    x = 7,808.22

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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.