Home / 18,883.95-28,308.21-6,395.23

Finding the Fourth Proportional to 18,883.95, 28,308.21 and 6,395.23

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Solution

The fourth proportional to 18,883.95, 28,308.21 and 6,395.23 is: 9,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.95 : 28,308.21 = 6,395.23 : x
  2. Step 2: Convert to fraction form
    18,883.95/28,308.21 = 6,395.23/x
  3. Step 3: Cross multiply
    18,883.95x = 28,308.21 × 6,395.23
  4. Step 4: Simplify right side
    18,883.95x = 181,037,513.84
  5. Step 5: Solve for x
    x = 181,037,513.84/18,883.95
  6. Step 6: Final answer
    x = 9,586.85

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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.