Home / 9,301.58-12,841.18-7,172.43

Finding the Fourth Proportional to 9,301.58, 12,841.18 and 7,172.43

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Solution

The fourth proportional to 9,301.58, 12,841.18 and 7,172.43 is: 9,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.58 : 12,841.18 = 7,172.43 : x
  2. Step 2: Convert to fraction form
    9,301.58/12,841.18 = 7,172.43/x
  3. Step 3: Cross multiply
    9,301.58x = 12,841.18 × 7,172.43
  4. Step 4: Simplify right side
    9,301.58x = 92,102,464.67
  5. Step 5: Solve for x
    x = 92,102,464.67/9,301.58
  6. Step 6: Final answer
    x = 9,901.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.