Home / 10,778.08-14,873.68-6,801.76

Finding the Fourth Proportional to 10,778.08, 14,873.68 and 6,801.76

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Solution

The fourth proportional to 10,778.08, 14,873.68 and 6,801.76 is: 9,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.08 : 14,873.68 = 6,801.76 : x
  2. Step 2: Convert to fraction form
    10,778.08/14,873.68 = 6,801.76/x
  3. Step 3: Cross multiply
    10,778.08x = 14,873.68 × 6,801.76
  4. Step 4: Simplify right side
    10,778.08x = 101,167,201.68
  5. Step 5: Solve for x
    x = 101,167,201.68/10,778.08
  6. Step 6: Final answer
    x = 9,386.38

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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.