Home / 17,688.16-24,419.78-11,727.91

Finding the Fourth Proportional to 17,688.16, 24,419.78 and 11,727.91

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Solution

The fourth proportional to 17,688.16, 24,419.78 and 11,727.91 is: 16,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.16 : 24,419.78 = 11,727.91 : x
  2. Step 2: Convert to fraction form
    17,688.16/24,419.78 = 11,727.91/x
  3. Step 3: Cross multiply
    17,688.16x = 24,419.78 × 11,727.91
  4. Step 4: Simplify right side
    17,688.16x = 286,392,982.06
  5. Step 5: Solve for x
    x = 286,392,982.06/17,688.16
  6. Step 6: Final answer
    x = 16,191.23

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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.