Home / 12,029.04-18,047.28-4,238.64

Finding the Fourth Proportional to 12,029.04, 18,047.28 and 4,238.64

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Solution

The fourth proportional to 12,029.04, 18,047.28 and 4,238.64 is: 6,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.04 : 18,047.28 = 4,238.64 : x
  2. Step 2: Convert to fraction form
    12,029.04/18,047.28 = 4,238.64/x
  3. Step 3: Cross multiply
    12,029.04x = 18,047.28 × 4,238.64
  4. Step 4: Simplify right side
    12,029.04x = 76,495,922.90
  5. Step 5: Solve for x
    x = 76,495,922.90/12,029.04
  6. Step 6: Final answer
    x = 6,359.27

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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.