Home / 12,307.26-16,977.56-9,317.92

Finding the Fourth Proportional to 12,307.26, 16,977.56 and 9,317.92

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Solution

The fourth proportional to 12,307.26, 16,977.56 and 9,317.92 is: 12,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.26 : 16,977.56 = 9,317.92 : x
  2. Step 2: Convert to fraction form
    12,307.26/16,977.56 = 9,317.92/x
  3. Step 3: Cross multiply
    12,307.26x = 16,977.56 × 9,317.92
  4. Step 4: Simplify right side
    12,307.26x = 158,195,545.88
  5. Step 5: Solve for x
    x = 158,195,545.88/12,307.26
  6. Step 6: Final answer
    x = 12,853.84

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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.