Home / 13,341.52-20,012.02-3,480.60

Finding the Fourth Proportional to 13,341.52, 20,012.02 and 3,480.60

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Solution

The fourth proportional to 13,341.52, 20,012.02 and 3,480.60 is: 5,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.52 : 20,012.02 = 3,480.60 : x
  2. Step 2: Convert to fraction form
    13,341.52/20,012.02 = 3,480.60/x
  3. Step 3: Cross multiply
    13,341.52x = 20,012.02 × 3,480.60
  4. Step 4: Simplify right side
    13,341.52x = 69,653,836.81
  5. Step 5: Solve for x
    x = 69,653,836.81/13,341.52
  6. Step 6: Final answer
    x = 5,220.83

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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.