Home / 9,354.57-14,001.15-7,121.37

Finding the Fourth Proportional to 9,354.57, 14,001.15 and 7,121.37

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Solution

The fourth proportional to 9,354.57, 14,001.15 and 7,121.37 is: 10,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.57 : 14,001.15 = 7,121.37 : x
  2. Step 2: Convert to fraction form
    9,354.57/14,001.15 = 7,121.37/x
  3. Step 3: Cross multiply
    9,354.57x = 14,001.15 × 7,121.37
  4. Step 4: Simplify right side
    9,354.57x = 99,707,369.58
  5. Step 5: Solve for x
    x = 99,707,369.58/9,354.57
  6. Step 6: Final answer
    x = 10,658.68

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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.