Home / 10,739.55-14,819.78-6,262.75

Finding the Fourth Proportional to 10,739.55, 14,819.78 and 6,262.75

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Solution

The fourth proportional to 10,739.55, 14,819.78 and 6,262.75 is: 8,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.55 : 14,819.78 = 6,262.75 : x
  2. Step 2: Convert to fraction form
    10,739.55/14,819.78 = 6,262.75/x
  3. Step 3: Cross multiply
    10,739.55x = 14,819.78 × 6,262.75
  4. Step 4: Simplify right side
    10,739.55x = 92,812,471.78
  5. Step 5: Solve for x
    x = 92,812,471.78/10,739.55
  6. Step 6: Final answer
    x = 8,642.12

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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.