Home / 12,237.66-18,339.93-8,767.26

Finding the Fourth Proportional to 12,237.66, 18,339.93 and 8,767.26

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Solution

The fourth proportional to 12,237.66, 18,339.93 and 8,767.26 is: 13,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.66 : 18,339.93 = 8,767.26 : x
  2. Step 2: Convert to fraction form
    12,237.66/18,339.93 = 8,767.26/x
  3. Step 3: Cross multiply
    12,237.66x = 18,339.93 × 8,767.26
  4. Step 4: Simplify right side
    12,237.66x = 160,790,934.69
  5. Step 5: Solve for x
    x = 160,790,934.69/12,237.66
  6. Step 6: Final answer
    x = 13,139.03

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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.