Home / 20,293.61-30,443.28-6,254.78

Finding the Fourth Proportional to 20,293.61, 30,443.28 and 6,254.78

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Solution

The fourth proportional to 20,293.61, 30,443.28 and 6,254.78 is: 9,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.61 : 30,443.28 = 6,254.78 : x
  2. Step 2: Convert to fraction form
    20,293.61/30,443.28 = 6,254.78/x
  3. Step 3: Cross multiply
    20,293.61x = 30,443.28 × 6,254.78
  4. Step 4: Simplify right side
    20,293.61x = 190,415,835.39
  5. Step 5: Solve for x
    x = 190,415,835.39/20,293.61
  6. Step 6: Final answer
    x = 9,383.05

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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.