Home / 15,173.37-20,959.70-13,758.66

Finding the Fourth Proportional to 15,173.37, 20,959.70 and 13,758.66

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Solution

The fourth proportional to 15,173.37, 20,959.70 and 13,758.66 is: 19,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.37 : 20,959.70 = 13,758.66 : x
  2. Step 2: Convert to fraction form
    15,173.37/20,959.70 = 13,758.66/x
  3. Step 3: Cross multiply
    15,173.37x = 20,959.70 × 13,758.66
  4. Step 4: Simplify right side
    15,173.37x = 288,377,317.21
  5. Step 5: Solve for x
    x = 288,377,317.21/15,173.37
  6. Step 6: Final answer
    x = 19,005.49

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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.