Home / 12,477.24-18,715.88-3,712.24

Finding the Fourth Proportional to 12,477.24, 18,715.88 and 3,712.24

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Solution

The fourth proportional to 12,477.24, 18,715.88 and 3,712.24 is: 5,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.24 : 18,715.88 = 3,712.24 : x
  2. Step 2: Convert to fraction form
    12,477.24/18,715.88 = 3,712.24/x
  3. Step 3: Cross multiply
    12,477.24x = 18,715.88 × 3,712.24
  4. Step 4: Simplify right side
    12,477.24x = 69,477,838.37
  5. Step 5: Solve for x
    x = 69,477,838.37/12,477.24
  6. Step 6: Final answer
    x = 5,568.37

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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.