Home / 21,506.46-32,223.29-13,169.07

Finding the Fourth Proportional to 21,506.46, 32,223.29 and 13,169.07

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Solution

The fourth proportional to 21,506.46, 32,223.29 and 13,169.07 is: 19,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.46 : 32,223.29 = 13,169.07 : x
  2. Step 2: Convert to fraction form
    21,506.46/32,223.29 = 13,169.07/x
  3. Step 3: Cross multiply
    21,506.46x = 32,223.29 × 13,169.07
  4. Step 4: Simplify right side
    21,506.46x = 424,350,534.68
  5. Step 5: Solve for x
    x = 424,350,534.68/21,506.46
  6. Step 6: Final answer
    x = 19,731.31

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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.