Home / 9,320.96-12,866.96-6,663.76

Finding the Fourth Proportional to 9,320.96, 12,866.96 and 6,663.76

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Solution

The fourth proportional to 9,320.96, 12,866.96 and 6,663.76 is: 9,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.96 : 12,866.96 = 6,663.76 : x
  2. Step 2: Convert to fraction form
    9,320.96/12,866.96 = 6,663.76/x
  3. Step 3: Cross multiply
    9,320.96x = 12,866.96 × 6,663.76
  4. Step 4: Simplify right side
    9,320.96x = 85,742,333.37
  5. Step 5: Solve for x
    x = 85,742,333.37/9,320.96
  6. Step 6: Final answer
    x = 9,198.87

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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.