Home / 9,519.40-14,281.50-7,687.16

Finding the Fourth Proportional to 9,519.40, 14,281.50 and 7,687.16

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Solution

The fourth proportional to 9,519.40, 14,281.50 and 7,687.16 is: 11,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.40 : 14,281.50 = 7,687.16 : x
  2. Step 2: Convert to fraction form
    9,519.40/14,281.50 = 7,687.16/x
  3. Step 3: Cross multiply
    9,519.40x = 14,281.50 × 7,687.16
  4. Step 4: Simplify right side
    9,519.40x = 109,784,175.54
  5. Step 5: Solve for x
    x = 109,784,175.54/9,519.40
  6. Step 6: Final answer
    x = 11,532.68

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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.