Home / 12,208.61-18,311.28-3,444.23

Finding the Fourth Proportional to 12,208.61, 18,311.28 and 3,444.23

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Solution

The fourth proportional to 12,208.61, 18,311.28 and 3,444.23 is: 5,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.61 : 18,311.28 = 3,444.23 : x
  2. Step 2: Convert to fraction form
    12,208.61/18,311.28 = 3,444.23/x
  3. Step 3: Cross multiply
    12,208.61x = 18,311.28 × 3,444.23
  4. Step 4: Simplify right side
    12,208.61x = 63,068,259.91
  5. Step 5: Solve for x
    x = 63,068,259.91/12,208.61
  6. Step 6: Final answer
    x = 5,165.88

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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.