Home / 13,303.83-18,366.78-8,833.69

Finding the Fourth Proportional to 13,303.83, 18,366.78 and 8,833.69

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Solution

The fourth proportional to 13,303.83, 18,366.78 and 8,833.69 is: 12,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.83 : 18,366.78 = 8,833.69 : x
  2. Step 2: Convert to fraction form
    13,303.83/18,366.78 = 8,833.69/x
  3. Step 3: Cross multiply
    13,303.83x = 18,366.78 × 8,833.69
  4. Step 4: Simplify right side
    13,303.83x = 162,246,440.82
  5. Step 5: Solve for x
    x = 162,246,440.82/13,303.83
  6. Step 6: Final answer
    x = 12,195.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.