Home / 10,270.44-14,231.76-9,646.20

Finding the Fourth Proportional to 10,270.44, 14,231.76 and 9,646.20

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Solution

The fourth proportional to 10,270.44, 14,231.76 and 9,646.20 is: 13,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.44 : 14,231.76 = 9,646.20 : x
  2. Step 2: Convert to fraction form
    10,270.44/14,231.76 = 9,646.20/x
  3. Step 3: Cross multiply
    10,270.44x = 14,231.76 × 9,646.20
  4. Step 4: Simplify right side
    10,270.44x = 137,282,403.31
  5. Step 5: Solve for x
    x = 137,282,403.31/10,270.44
  6. Step 6: Final answer
    x = 13,366.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.