Home / 18,745.49-28,108.95-6,261.23

Finding the Fourth Proportional to 18,745.49, 28,108.95 and 6,261.23

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Solution

The fourth proportional to 18,745.49, 28,108.95 and 6,261.23 is: 9,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.49 : 28,108.95 = 6,261.23 : x
  2. Step 2: Convert to fraction form
    18,745.49/28,108.95 = 6,261.23/x
  3. Step 3: Cross multiply
    18,745.49x = 28,108.95 × 6,261.23
  4. Step 4: Simplify right side
    18,745.49x = 175,996,460.46
  5. Step 5: Solve for x
    x = 175,996,460.46/18,745.49
  6. Step 6: Final answer
    x = 9,388.74

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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.