Home / 21,544.46-32,315.72-7,507.68

Finding the Fourth Proportional to 21,544.46, 32,315.72 and 7,507.68

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Solution

The fourth proportional to 21,544.46, 32,315.72 and 7,507.68 is: 11,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.46 : 32,315.72 = 7,507.68 : x
  2. Step 2: Convert to fraction form
    21,544.46/32,315.72 = 7,507.68/x
  3. Step 3: Cross multiply
    21,544.46x = 32,315.72 × 7,507.68
  4. Step 4: Simplify right side
    21,544.46x = 242,616,084.73
  5. Step 5: Solve for x
    x = 242,616,084.73/21,544.46
  6. Step 6: Final answer
    x = 11,261.18

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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.