Home / 13,367.68-18,404.24-11,005.60

Finding the Fourth Proportional to 13,367.68, 18,404.24 and 11,005.60

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Solution

The fourth proportional to 13,367.68, 18,404.24 and 11,005.60 is: 15,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.68 : 18,404.24 = 11,005.60 : x
  2. Step 2: Convert to fraction form
    13,367.68/18,404.24 = 11,005.60/x
  3. Step 3: Cross multiply
    13,367.68x = 18,404.24 × 11,005.60
  4. Step 4: Simplify right side
    13,367.68x = 202,549,703.74
  5. Step 5: Solve for x
    x = 202,549,703.74/13,367.68
  6. Step 6: Final answer
    x = 15,152.20

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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.