Home / 20,126.84-30,196.02-6,275.96

Finding the Fourth Proportional to 20,126.84, 30,196.02 and 6,275.96

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Solution

The fourth proportional to 20,126.84, 30,196.02 and 6,275.96 is: 9,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.84 : 30,196.02 = 6,275.96 : x
  2. Step 2: Convert to fraction form
    20,126.84/30,196.02 = 6,275.96/x
  3. Step 3: Cross multiply
    20,126.84x = 30,196.02 × 6,275.96
  4. Step 4: Simplify right side
    20,126.84x = 189,509,013.68
  5. Step 5: Solve for x
    x = 189,509,013.68/20,126.84
  6. Step 6: Final answer
    x = 9,415.74

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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.