Home / 21,035.06-29,019.17-13,374.23

Finding the Fourth Proportional to 21,035.06, 29,019.17 and 13,374.23

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Solution

The fourth proportional to 21,035.06, 29,019.17 and 13,374.23 is: 18,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.06 : 29,019.17 = 13,374.23 : x
  2. Step 2: Convert to fraction form
    21,035.06/29,019.17 = 13,374.23/x
  3. Step 3: Cross multiply
    21,035.06x = 29,019.17 × 13,374.23
  4. Step 4: Simplify right side
    21,035.06x = 388,108,842.02
  5. Step 5: Solve for x
    x = 388,108,842.02/21,035.06
  6. Step 6: Final answer
    x = 18,450.57

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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.