Home / 14,740.52-20,272.20-11,720.84

Finding the Fourth Proportional to 14,740.52, 20,272.20 and 11,720.84

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Solution

The fourth proportional to 14,740.52, 20,272.20 and 11,720.84 is: 16,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.52 : 20,272.20 = 11,720.84 : x
  2. Step 2: Convert to fraction form
    14,740.52/20,272.20 = 11,720.84/x
  3. Step 3: Cross multiply
    14,740.52x = 20,272.20 × 11,720.84
  4. Step 4: Simplify right side
    14,740.52x = 237,607,212.65
  5. Step 5: Solve for x
    x = 237,607,212.65/14,740.52
  6. Step 6: Final answer
    x = 16,119.32

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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.