Home / 10,278.90-14,171.76-6,735.96

Finding the Fourth Proportional to 10,278.90, 14,171.76 and 6,735.96

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Solution

The fourth proportional to 10,278.90, 14,171.76 and 6,735.96 is: 9,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.90 : 14,171.76 = 6,735.96 : x
  2. Step 2: Convert to fraction form
    10,278.90/14,171.76 = 6,735.96/x
  3. Step 3: Cross multiply
    10,278.90x = 14,171.76 × 6,735.96
  4. Step 4: Simplify right side
    10,278.90x = 95,460,408.49
  5. Step 5: Solve for x
    x = 95,460,408.49/10,278.90
  6. Step 6: Final answer
    x = 9,287.03

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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.