Home / 18,339.49-25,304.29-10,379.98

Finding the Fourth Proportional to 18,339.49, 25,304.29 and 10,379.98

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Solution

The fourth proportional to 18,339.49, 25,304.29 and 10,379.98 is: 14,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.49 : 25,304.29 = 10,379.98 : x
  2. Step 2: Convert to fraction form
    18,339.49/25,304.29 = 10,379.98/x
  3. Step 3: Cross multiply
    18,339.49x = 25,304.29 × 10,379.98
  4. Step 4: Simplify right side
    18,339.49x = 262,658,024.11
  5. Step 5: Solve for x
    x = 262,658,024.11/18,339.49
  6. Step 6: Final answer
    x = 14,321.99

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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.