Home / 18,277.49-25,220.22-10,319.54

Finding the Fourth Proportional to 18,277.49, 25,220.22 and 10,319.54

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Solution

The fourth proportional to 18,277.49, 25,220.22 and 10,319.54 is: 14,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.49 : 25,220.22 = 10,319.54 : x
  2. Step 2: Convert to fraction form
    18,277.49/25,220.22 = 10,319.54/x
  3. Step 3: Cross multiply
    18,277.49x = 25,220.22 × 10,319.54
  4. Step 4: Simplify right side
    18,277.49x = 260,261,069.10
  5. Step 5: Solve for x
    x = 260,261,069.10/18,277.49
  6. Step 6: Final answer
    x = 14,239.43

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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.