Home / 12,263.86-18,395.88-3,498.85

Finding the Fourth Proportional to 12,263.86, 18,395.88 and 3,498.85

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Solution

The fourth proportional to 12,263.86, 18,395.88 and 3,498.85 is: 5,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.86 : 18,395.88 = 3,498.85 : x
  2. Step 2: Convert to fraction form
    12,263.86/18,395.88 = 3,498.85/x
  3. Step 3: Cross multiply
    12,263.86x = 18,395.88 × 3,498.85
  4. Step 4: Simplify right side
    12,263.86x = 64,364,424.74
  5. Step 5: Solve for x
    x = 64,364,424.74/12,263.86
  6. Step 6: Final answer
    x = 5,248.30

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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.