Home / 10,660.12-15,989.58-3,264.58

Finding the Fourth Proportional to 10,660.12, 15,989.58 and 3,264.58

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Solution

The fourth proportional to 10,660.12, 15,989.58 and 3,264.58 is: 4,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.12 : 15,989.58 = 3,264.58 : x
  2. Step 2: Convert to fraction form
    10,660.12/15,989.58 = 3,264.58/x
  3. Step 3: Cross multiply
    10,660.12x = 15,989.58 × 3,264.58
  4. Step 4: Simplify right side
    10,660.12x = 52,199,263.08
  5. Step 5: Solve for x
    x = 52,199,263.08/10,660.12
  6. Step 6: Final answer
    x = 4,896.69

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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.