Home / 12,303.77-18,458.09-4,512.65

Finding the Fourth Proportional to 12,303.77, 18,458.09 and 4,512.65

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Solution

The fourth proportional to 12,303.77, 18,458.09 and 4,512.65 is: 6,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.77 : 18,458.09 = 4,512.65 : x
  2. Step 2: Convert to fraction form
    12,303.77/18,458.09 = 4,512.65/x
  3. Step 3: Cross multiply
    12,303.77x = 18,458.09 × 4,512.65
  4. Step 4: Simplify right side
    12,303.77x = 83,294,934.70
  5. Step 5: Solve for x
    x = 83,294,934.70/12,303.77
  6. Step 6: Final answer
    x = 6,769.87

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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.