Home / 10,631.08-15,932.94-9,311.68

Finding the Fourth Proportional to 10,631.08, 15,932.94 and 9,311.68

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Solution

The fourth proportional to 10,631.08, 15,932.94 and 9,311.68 is: 13,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.08 : 15,932.94 = 9,311.68 : x
  2. Step 2: Convert to fraction form
    10,631.08/15,932.94 = 9,311.68/x
  3. Step 3: Cross multiply
    10,631.08x = 15,932.94 × 9,311.68
  4. Step 4: Simplify right side
    10,631.08x = 148,362,438.74
  5. Step 5: Solve for x
    x = 148,362,438.74/10,631.08
  6. Step 6: Final answer
    x = 13,955.54

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1.5x scale

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.