Home / 20,094.47-30,141.39-4,897.21

Finding the Fourth Proportional to 20,094.47, 30,141.39 and 4,897.21

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Solution

The fourth proportional to 20,094.47, 30,141.39 and 4,897.21 is: 7,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.47 : 30,141.39 = 4,897.21 : x
  2. Step 2: Convert to fraction form
    20,094.47/30,141.39 = 4,897.21/x
  3. Step 3: Cross multiply
    20,094.47x = 30,141.39 × 4,897.21
  4. Step 4: Simplify right side
    20,094.47x = 147,608,541.33
  5. Step 5: Solve for x
    x = 147,608,541.33/20,094.47
  6. Step 6: Final answer
    x = 7,345.73

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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.