Home / 13,397.79-20,100.02-4,037.60

Finding the Fourth Proportional to 13,397.79, 20,100.02 and 4,037.60

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Solution

The fourth proportional to 13,397.79, 20,100.02 and 4,037.60 is: 6,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.79 : 20,100.02 = 4,037.60 : x
  2. Step 2: Convert to fraction form
    13,397.79/20,100.02 = 4,037.60/x
  3. Step 3: Cross multiply
    13,397.79x = 20,100.02 × 4,037.60
  4. Step 4: Simplify right side
    13,397.79x = 81,155,720.06
  5. Step 5: Solve for x
    x = 81,155,720.06/13,397.79
  6. Step 6: Final answer
    x = 6,057.40

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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.