Home / 12,384.45-17,087.23-7,344.48

Finding the Fourth Proportional to 12,384.45, 17,087.23 and 7,344.48

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Solution

The fourth proportional to 12,384.45, 17,087.23 and 7,344.48 is: 10,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.45 : 17,087.23 = 7,344.48 : x
  2. Step 2: Convert to fraction form
    12,384.45/17,087.23 = 7,344.48/x
  3. Step 3: Cross multiply
    12,384.45x = 17,087.23 × 7,344.48
  4. Step 4: Simplify right side
    12,384.45x = 125,496,818.99
  5. Step 5: Solve for x
    x = 125,496,818.99/12,384.45
  6. Step 6: Final answer
    x = 10,133.42

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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.