Home / 13,497.21-20,248.79-4,138.52

Finding the Fourth Proportional to 13,497.21, 20,248.79 and 4,138.52

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Solution

The fourth proportional to 13,497.21, 20,248.79 and 4,138.52 is: 6,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.21 : 20,248.79 = 4,138.52 : x
  2. Step 2: Convert to fraction form
    13,497.21/20,248.79 = 4,138.52/x
  3. Step 3: Cross multiply
    13,497.21x = 20,248.79 × 4,138.52
  4. Step 4: Simplify right side
    13,497.21x = 83,799,900.45
  5. Step 5: Solve for x
    x = 83,799,900.45/13,497.21
  6. Step 6: Final answer
    x = 6,208.68

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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.