Home / 13,604.04-18,772.62-7,634.52

Finding the Fourth Proportional to 13,604.04, 18,772.62 and 7,634.52

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Solution

The fourth proportional to 13,604.04, 18,772.62 and 7,634.52 is: 10,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.04 : 18,772.62 = 7,634.52 : x
  2. Step 2: Convert to fraction form
    13,604.04/18,772.62 = 7,634.52/x
  3. Step 3: Cross multiply
    13,604.04x = 18,772.62 × 7,634.52
  4. Step 4: Simplify right side
    13,604.04x = 143,319,942.84
  5. Step 5: Solve for x
    x = 143,319,942.84/13,604.04
  6. Step 6: Final answer
    x = 10,535.10

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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.