Home / 18,863.37-28,281.51-8,862.48

Finding the Fourth Proportional to 18,863.37, 28,281.51 and 8,862.48

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Solution

The fourth proportional to 18,863.37, 28,281.51 and 8,862.48 is: 13,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.37 : 28,281.51 = 8,862.48 : x
  2. Step 2: Convert to fraction form
    18,863.37/28,281.51 = 8,862.48/x
  3. Step 3: Cross multiply
    18,863.37x = 28,281.51 × 8,862.48
  4. Step 4: Simplify right side
    18,863.37x = 250,644,316.74
  5. Step 5: Solve for x
    x = 250,644,316.74/18,863.37
  6. Step 6: Final answer
    x = 13,287.36

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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.