Home / 21,535.67-29,719.22-12,104.24

Finding the Fourth Proportional to 21,535.67, 29,719.22 and 12,104.24

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Solution

The fourth proportional to 21,535.67, 29,719.22 and 12,104.24 is: 16,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.67 : 29,719.22 = 12,104.24 : x
  2. Step 2: Convert to fraction form
    21,535.67/29,719.22 = 12,104.24/x
  3. Step 3: Cross multiply
    21,535.67x = 29,719.22 × 12,104.24
  4. Step 4: Simplify right side
    21,535.67x = 359,728,430.46
  5. Step 5: Solve for x
    x = 359,728,430.46/21,535.67
  6. Step 6: Final answer
    x = 16,703.84

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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.