Home / 10,161.84-14,025.68-6,618.88

Finding the Fourth Proportional to 10,161.84, 14,025.68 and 6,618.88

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Solution

The fourth proportional to 10,161.84, 14,025.68 and 6,618.88 is: 9,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.84 : 14,025.68 = 6,618.88 : x
  2. Step 2: Convert to fraction form
    10,161.84/14,025.68 = 6,618.88/x
  3. Step 3: Cross multiply
    10,161.84x = 14,025.68 × 6,618.88
  4. Step 4: Simplify right side
    10,161.84x = 92,834,292.84
  5. Step 5: Solve for x
    x = 92,834,292.84/10,161.84
  6. Step 6: Final answer
    x = 9,135.58

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1.5x scale

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.