Home / 12,303.83-18,454.83-4,909.95

Finding the Fourth Proportional to 12,303.83, 18,454.83 and 4,909.95

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Solution

The fourth proportional to 12,303.83, 18,454.83 and 4,909.95 is: 7,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.83 : 18,454.83 = 4,909.95 : x
  2. Step 2: Convert to fraction form
    12,303.83/18,454.83 = 4,909.95/x
  3. Step 3: Cross multiply
    12,303.83x = 18,454.83 × 4,909.95
  4. Step 4: Simplify right side
    12,303.83x = 90,612,292.56
  5. Step 5: Solve for x
    x = 90,612,292.56/12,303.83
  6. Step 6: Final answer
    x = 7,364.56

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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.