Home / 17,685.66-24,405.71-9,727.89

Finding the Fourth Proportional to 17,685.66, 24,405.71 and 9,727.89

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Solution

The fourth proportional to 17,685.66, 24,405.71 and 9,727.89 is: 13,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.66 : 24,405.71 = 9,727.89 : x
  2. Step 2: Convert to fraction form
    17,685.66/24,405.71 = 9,727.89/x
  3. Step 3: Cross multiply
    17,685.66x = 24,405.71 × 9,727.89
  4. Step 4: Simplify right side
    17,685.66x = 237,415,986.09
  5. Step 5: Solve for x
    x = 237,415,986.09/17,685.66
  6. Step 6: Final answer
    x = 13,424.21

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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.