Home / 13,467.06-18,341.64-13,312.76

Finding the Fourth Proportional to 13,467.06, 18,341.64 and 13,312.76

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Solution

The fourth proportional to 13,467.06, 18,341.64 and 13,312.76 is: 18,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.06 : 18,341.64 = 13,312.76 : x
  2. Step 2: Convert to fraction form
    13,467.06/18,341.64 = 13,312.76/x
  3. Step 3: Cross multiply
    13,467.06x = 18,341.64 × 13,312.76
  4. Step 4: Simplify right side
    13,467.06x = 244,177,759.62
  5. Step 5: Solve for x
    x = 244,177,759.62/13,467.06
  6. Step 6: Final answer
    x = 18,131.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.