Home / 18,390.72-25,374.77-10,837.36

Finding the Fourth Proportional to 18,390.72, 25,374.77 and 10,837.36

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Solution

The fourth proportional to 18,390.72, 25,374.77 and 10,837.36 is: 14,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.72 : 25,374.77 = 10,837.36 : x
  2. Step 2: Convert to fraction form
    18,390.72/25,374.77 = 10,837.36/x
  3. Step 3: Cross multiply
    18,390.72x = 25,374.77 × 10,837.36
  4. Step 4: Simplify right side
    18,390.72x = 274,995,517.41
  5. Step 5: Solve for x
    x = 274,995,517.41/18,390.72
  6. Step 6: Final answer
    x = 14,952.95

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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.