Home / 18,625.50-27,931.37-6,141.92

Finding the Fourth Proportional to 18,625.50, 27,931.37 and 6,141.92

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Solution

The fourth proportional to 18,625.50, 27,931.37 and 6,141.92 is: 9,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.50 : 27,931.37 = 6,141.92 : x
  2. Step 2: Convert to fraction form
    18,625.50/27,931.37 = 6,141.92/x
  3. Step 3: Cross multiply
    18,625.50x = 27,931.37 × 6,141.92
  4. Step 4: Simplify right side
    18,625.50x = 171,552,069.66
  5. Step 5: Solve for x
    x = 171,552,069.66/18,625.50
  6. Step 6: Final answer
    x = 9,210.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.