Home / 10,136.72-15,206.64-4,294.88

Finding the Fourth Proportional to 10,136.72, 15,206.64 and 4,294.88

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Solution

The fourth proportional to 10,136.72, 15,206.64 and 4,294.88 is: 6,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.72 : 15,206.64 = 4,294.88 : x
  2. Step 2: Convert to fraction form
    10,136.72/15,206.64 = 4,294.88/x
  3. Step 3: Cross multiply
    10,136.72x = 15,206.64 × 4,294.88
  4. Step 4: Simplify right side
    10,136.72x = 65,310,694.00
  5. Step 5: Solve for x
    x = 65,310,694.00/10,136.72
  6. Step 6: Final answer
    x = 6,442.98

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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.