Home / 20,437.84-30,652.90-6,395.76

Finding the Fourth Proportional to 20,437.84, 30,652.90 and 6,395.76

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Solution

The fourth proportional to 20,437.84, 30,652.90 and 6,395.76 is: 9,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.84 : 30,652.90 = 6,395.76 : x
  2. Step 2: Convert to fraction form
    20,437.84/30,652.90 = 6,395.76/x
  3. Step 3: Cross multiply
    20,437.84x = 30,652.90 × 6,395.76
  4. Step 4: Simplify right side
    20,437.84x = 196,048,591.70
  5. Step 5: Solve for x
    x = 196,048,591.70/20,437.84
  6. Step 6: Final answer
    x = 9,592.43

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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.