Home / 10,620.17-14,656.61-6,371.42

Finding the Fourth Proportional to 10,620.17, 14,656.61 and 6,371.42

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Solution

The fourth proportional to 10,620.17, 14,656.61 and 6,371.42 is: 8,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.17 : 14,656.61 = 6,371.42 : x
  2. Step 2: Convert to fraction form
    10,620.17/14,656.61 = 6,371.42/x
  3. Step 3: Cross multiply
    10,620.17x = 14,656.61 × 6,371.42
  4. Step 4: Simplify right side
    10,620.17x = 93,383,312.95
  5. Step 5: Solve for x
    x = 93,383,312.95/10,620.17
  6. Step 6: Final answer
    x = 8,793.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.