Home / 13,484.97-20,226.51-4,720.50

Finding the Fourth Proportional to 13,484.97, 20,226.51 and 4,720.50

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Solution

The fourth proportional to 13,484.97, 20,226.51 and 4,720.50 is: 7,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.97 : 20,226.51 = 4,720.50 : x
  2. Step 2: Convert to fraction form
    13,484.97/20,226.51 = 4,720.50/x
  3. Step 3: Cross multiply
    13,484.97x = 20,226.51 × 4,720.50
  4. Step 4: Simplify right side
    13,484.97x = 95,479,240.46
  5. Step 5: Solve for x
    x = 95,479,240.46/13,484.97
  6. Step 6: Final answer
    x = 7,080.42

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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.