Home / 9,764.40-14,656.32-5,383.92

Finding the Fourth Proportional to 9,764.40, 14,656.32 and 5,383.92

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Solution

The fourth proportional to 9,764.40, 14,656.32 and 5,383.92 is: 8,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.40 : 14,656.32 = 5,383.92 : x
  2. Step 2: Convert to fraction form
    9,764.40/14,656.32 = 5,383.92/x
  3. Step 3: Cross multiply
    9,764.40x = 14,656.32 × 5,383.92
  4. Step 4: Simplify right side
    9,764.40x = 78,908,454.37
  5. Step 5: Solve for x
    x = 78,908,454.37/9,764.40
  6. Step 6: Final answer
    x = 8,081.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.