Home / 20,054.64-30,088.53-8,218.38

Finding the Fourth Proportional to 20,054.64, 30,088.53 and 8,218.38

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Solution

The fourth proportional to 20,054.64, 30,088.53 and 8,218.38 is: 12,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.64 : 30,088.53 = 8,218.38 : x
  2. Step 2: Convert to fraction form
    20,054.64/30,088.53 = 8,218.38/x
  3. Step 3: Cross multiply
    20,054.64x = 30,088.53 × 8,218.38
  4. Step 4: Simplify right side
    20,054.64x = 247,278,973.18
  5. Step 5: Solve for x
    x = 247,278,973.18/20,054.64
  6. Step 6: Final answer
    x = 12,330.26

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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.