Home / 12,017.52-18,028.80-4,224.24

Finding the Fourth Proportional to 12,017.52, 18,028.80 and 4,224.24

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Solution

The fourth proportional to 12,017.52, 18,028.80 and 4,224.24 is: 6,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.52 : 18,028.80 = 4,224.24 : x
  2. Step 2: Convert to fraction form
    12,017.52/18,028.80 = 4,224.24/x
  3. Step 3: Cross multiply
    12,017.52x = 18,028.80 × 4,224.24
  4. Step 4: Simplify right side
    12,017.52x = 76,157,978.11
  5. Step 5: Solve for x
    x = 76,157,978.11/12,017.52
  6. Step 6: Final answer
    x = 6,337.25

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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.