Home / 18,799.32-28,201.68-6,316.68

Finding the Fourth Proportional to 18,799.32, 28,201.68 and 6,316.68

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Solution

The fourth proportional to 18,799.32, 28,201.68 and 6,316.68 is: 9,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.32 : 28,201.68 = 6,316.68 : x
  2. Step 2: Convert to fraction form
    18,799.32/28,201.68 = 6,316.68/x
  3. Step 3: Cross multiply
    18,799.32x = 28,201.68 × 6,316.68
  4. Step 4: Simplify right side
    18,799.32x = 178,140,988.02
  5. Step 5: Solve for x
    x = 178,140,988.02/18,799.32
  6. Step 6: Final answer
    x = 9,475.93

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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.