Home / 10,227.60-14,110.38-6,690.60

Finding the Fourth Proportional to 10,227.60, 14,110.38 and 6,690.60

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Solution

The fourth proportional to 10,227.60, 14,110.38 and 6,690.60 is: 9,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.60 : 14,110.38 = 6,690.60 : x
  2. Step 2: Convert to fraction form
    10,227.60/14,110.38 = 6,690.60/x
  3. Step 3: Cross multiply
    10,227.60x = 14,110.38 × 6,690.60
  4. Step 4: Simplify right side
    10,227.60x = 94,406,908.43
  5. Step 5: Solve for x
    x = 94,406,908.43/10,227.60
  6. Step 6: Final answer
    x = 9,230.60

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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.