Home / 9,615.14-14,396.65-4,988.42

Finding the Fourth Proportional to 9,615.14, 14,396.65 and 4,988.42

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Solution

The fourth proportional to 9,615.14, 14,396.65 and 4,988.42 is: 7,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.14 : 14,396.65 = 4,988.42 : x
  2. Step 2: Convert to fraction form
    9,615.14/14,396.65 = 4,988.42/x
  3. Step 3: Cross multiply
    9,615.14x = 14,396.65 × 4,988.42
  4. Step 4: Simplify right side
    9,615.14x = 71,816,536.79
  5. Step 5: Solve for x
    x = 71,816,536.79/9,615.14
  6. Step 6: Final answer
    x = 7,469.11

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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.