Home / 12,136.32-16,748.10-6,758.76

Finding the Fourth Proportional to 12,136.32, 16,748.10 and 6,758.76

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Solution

The fourth proportional to 12,136.32, 16,748.10 and 6,758.76 is: 9,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.32 : 16,748.10 = 6,758.76 : x
  2. Step 2: Convert to fraction form
    12,136.32/16,748.10 = 6,758.76/x
  3. Step 3: Cross multiply
    12,136.32x = 16,748.10 × 6,758.76
  4. Step 4: Simplify right side
    12,136.32x = 113,196,388.36
  5. Step 5: Solve for x
    x = 113,196,388.36/12,136.32
  6. Step 6: Final answer
    x = 9,327.08

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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.