Home / 12,136.62-16,746.30-6,830.31

Finding the Fourth Proportional to 12,136.62, 16,746.30 and 6,830.31

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Solution

The fourth proportional to 12,136.62, 16,746.30 and 6,830.31 is: 9,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.62 : 16,746.30 = 6,830.31 : x
  2. Step 2: Convert to fraction form
    12,136.62/16,746.30 = 6,830.31/x
  3. Step 3: Cross multiply
    12,136.62x = 16,746.30 × 6,830.31
  4. Step 4: Simplify right side
    12,136.62x = 114,382,420.35
  5. Step 5: Solve for x
    x = 114,382,420.35/12,136.62
  6. Step 6: Final answer
    x = 9,424.57

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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.