Home / 12,544.02-18,812.70-3,779.28

Finding the Fourth Proportional to 12,544.02, 18,812.70 and 3,779.28

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Solution

The fourth proportional to 12,544.02, 18,812.70 and 3,779.28 is: 5,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.02 : 18,812.70 = 3,779.28 : x
  2. Step 2: Convert to fraction form
    12,544.02/18,812.70 = 3,779.28/x
  3. Step 3: Cross multiply
    12,544.02x = 18,812.70 × 3,779.28
  4. Step 4: Simplify right side
    12,544.02x = 71,098,460.86
  5. Step 5: Solve for x
    x = 71,098,460.86/12,544.02
  6. Step 6: Final answer
    x = 5,667.92

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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.