Home / 10,278.43-14,169.40-6,735.49

Finding the Fourth Proportional to 10,278.43, 14,169.40 and 6,735.49

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Solution

The fourth proportional to 10,278.43, 14,169.40 and 6,735.49 is: 9,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.43 : 14,169.40 = 6,735.49 : x
  2. Step 2: Convert to fraction form
    10,278.43/14,169.40 = 6,735.49/x
  3. Step 3: Cross multiply
    10,278.43x = 14,169.40 × 6,735.49
  4. Step 4: Simplify right side
    10,278.43x = 95,437,799.74
  5. Step 5: Solve for x
    x = 95,437,799.74/10,278.43
  6. Step 6: Final answer
    x = 9,285.25

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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.