Home / 12,355.48-18,535.02-3,589.25

Finding the Fourth Proportional to 12,355.48, 18,535.02 and 3,589.25

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Solution

The fourth proportional to 12,355.48, 18,535.02 and 3,589.25 is: 5,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.48 : 18,535.02 = 3,589.25 : x
  2. Step 2: Convert to fraction form
    12,355.48/18,535.02 = 3,589.25/x
  3. Step 3: Cross multiply
    12,355.48x = 18,535.02 × 3,589.25
  4. Step 4: Simplify right side
    12,355.48x = 66,526,820.54
  5. Step 5: Solve for x
    x = 66,526,820.54/12,355.48
  6. Step 6: Final answer
    x = 5,384.40

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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.