Home / 18,726.02-28,081.23-7,625.18

Finding the Fourth Proportional to 18,726.02, 28,081.23 and 7,625.18

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Solution

The fourth proportional to 18,726.02, 28,081.23 and 7,625.18 is: 11,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.02 : 28,081.23 = 7,625.18 : x
  2. Step 2: Convert to fraction form
    18,726.02/28,081.23 = 7,625.18/x
  3. Step 3: Cross multiply
    18,726.02x = 28,081.23 × 7,625.18
  4. Step 4: Simplify right side
    18,726.02x = 214,124,292.97
  5. Step 5: Solve for x
    x = 214,124,292.97/18,726.02
  6. Step 6: Final answer
    x = 11,434.59

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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.