Home / 13,197.20-19,797.60-4,875.20

Finding the Fourth Proportional to 13,197.20, 19,797.60 and 4,875.20

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Solution

The fourth proportional to 13,197.20, 19,797.60 and 4,875.20 is: 7,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.20 : 19,797.60 = 4,875.20 : x
  2. Step 2: Convert to fraction form
    13,197.20/19,797.60 = 4,875.20/x
  3. Step 3: Cross multiply
    13,197.20x = 19,797.60 × 4,875.20
  4. Step 4: Simplify right side
    13,197.20x = 96,517,259.52
  5. Step 5: Solve for x
    x = 96,517,259.52/13,197.20
  6. Step 6: Final answer
    x = 7,313.46

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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.