Home / 19,661.65-27,133.30-10,709.23

Finding the Fourth Proportional to 19,661.65, 27,133.30 and 10,709.23

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Solution

The fourth proportional to 19,661.65, 27,133.30 and 10,709.23 is: 14,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.65 : 27,133.30 = 10,709.23 : x
  2. Step 2: Convert to fraction form
    19,661.65/27,133.30 = 10,709.23/x
  3. Step 3: Cross multiply
    19,661.65x = 27,133.30 × 10,709.23
  4. Step 4: Simplify right side
    19,661.65x = 290,576,750.36
  5. Step 5: Solve for x
    x = 290,576,750.36/19,661.65
  6. Step 6: Final answer
    x = 14,778.86

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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.