Home / 21,232.95-29,302.17-11,673.24

Finding the Fourth Proportional to 21,232.95, 29,302.17 and 11,673.24

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Solution

The fourth proportional to 21,232.95, 29,302.17 and 11,673.24 is: 16,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.95 : 29,302.17 = 11,673.24 : x
  2. Step 2: Convert to fraction form
    21,232.95/29,302.17 = 11,673.24/x
  3. Step 3: Cross multiply
    21,232.95x = 29,302.17 × 11,673.24
  4. Step 4: Simplify right side
    21,232.95x = 342,051,272.93
  5. Step 5: Solve for x
    x = 342,051,272.93/21,232.95
  6. Step 6: Final answer
    x = 16,109.46

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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.