Home / 14,277.36-21,425.18-7,708.12

Finding the Fourth Proportional to 14,277.36, 21,425.18 and 7,708.12

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Solution

The fourth proportional to 14,277.36, 21,425.18 and 7,708.12 is: 11,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.36 : 21,425.18 = 7,708.12 : x
  2. Step 2: Convert to fraction form
    14,277.36/21,425.18 = 7,708.12/x
  3. Step 3: Cross multiply
    14,277.36x = 21,425.18 × 7,708.12
  4. Step 4: Simplify right side
    14,277.36x = 165,147,858.46
  5. Step 5: Solve for x
    x = 165,147,858.46/14,277.36
  6. Step 6: Final answer
    x = 11,567.11

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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.