Home / 9,776.08-13,481.36-6,417.84

Finding the Fourth Proportional to 9,776.08, 13,481.36 and 6,417.84

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Solution

The fourth proportional to 9,776.08, 13,481.36 and 6,417.84 is: 8,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.08 : 13,481.36 = 6,417.84 : x
  2. Step 2: Convert to fraction form
    9,776.08/13,481.36 = 6,417.84/x
  3. Step 3: Cross multiply
    9,776.08x = 13,481.36 × 6,417.84
  4. Step 4: Simplify right side
    9,776.08x = 86,521,211.46
  5. Step 5: Solve for x
    x = 86,521,211.46/9,776.08
  6. Step 6: Final answer
    x = 8,850.30

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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.