Home / 9,127.53-13,691.32-2,553.77

Finding the Fourth Proportional to 9,127.53, 13,691.32 and 2,553.77

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Solution

The fourth proportional to 9,127.53, 13,691.32 and 2,553.77 is: 3,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.53 : 13,691.32 = 2,553.77 : x
  2. Step 2: Convert to fraction form
    9,127.53/13,691.32 = 2,553.77/x
  3. Step 3: Cross multiply
    9,127.53x = 13,691.32 × 2,553.77
  4. Step 4: Simplify right side
    9,127.53x = 34,964,510.12
  5. Step 5: Solve for x
    x = 34,964,510.12/9,127.53
  6. Step 6: Final answer
    x = 3,830.67

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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.