Home / 21,552.40-29,741.34-13,054.42

Finding the Fourth Proportional to 21,552.40, 29,741.34 and 13,054.42

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Solution

The fourth proportional to 21,552.40, 29,741.34 and 13,054.42 is: 18,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.40 : 29,741.34 = 13,054.42 : x
  2. Step 2: Convert to fraction form
    21,552.40/29,741.34 = 13,054.42/x
  3. Step 3: Cross multiply
    21,552.40x = 29,741.34 × 13,054.42
  4. Step 4: Simplify right side
    21,552.40x = 388,255,943.72
  5. Step 5: Solve for x
    x = 388,255,943.72/21,552.40
  6. Step 6: Final answer
    x = 18,014.51

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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.