Home / 10,758.60-16,116.30-6,136.20

Finding the Fourth Proportional to 10,758.60, 16,116.30 and 6,136.20

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Solution

The fourth proportional to 10,758.60, 16,116.30 and 6,136.20 is: 9,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.60 : 16,116.30 = 6,136.20 : x
  2. Step 2: Convert to fraction form
    10,758.60/16,116.30 = 6,136.20/x
  3. Step 3: Cross multiply
    10,758.60x = 16,116.30 × 6,136.20
  4. Step 4: Simplify right side
    10,758.60x = 98,892,840.06
  5. Step 5: Solve for x
    x = 98,892,840.06/10,758.60
  6. Step 6: Final answer
    x = 9,191.98

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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.