Home / 19,661.27-27,133.18-10,709.15

Finding the Fourth Proportional to 19,661.27, 27,133.18 and 10,709.15

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Solution

The fourth proportional to 19,661.27, 27,133.18 and 10,709.15 is: 14,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.27 : 27,133.18 = 10,709.15 : x
  2. Step 2: Convert to fraction form
    19,661.27/27,133.18 = 10,709.15/x
  3. Step 3: Cross multiply
    19,661.27x = 27,133.18 × 10,709.15
  4. Step 4: Simplify right side
    19,661.27x = 290,573,132.16
  5. Step 5: Solve for x
    x = 290,573,132.16/19,661.27
  6. Step 6: Final answer
    x = 14,778.96

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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.