Home / 10,156.67-15,235.39-3,136.06

Finding the Fourth Proportional to 10,156.67, 15,235.39 and 3,136.06

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Solution

The fourth proportional to 10,156.67, 15,235.39 and 3,136.06 is: 4,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.67 : 15,235.39 = 3,136.06 : x
  2. Step 2: Convert to fraction form
    10,156.67/15,235.39 = 3,136.06/x
  3. Step 3: Cross multiply
    10,156.67x = 15,235.39 × 3,136.06
  4. Step 4: Simplify right side
    10,156.67x = 47,779,020.99
  5. Step 5: Solve for x
    x = 47,779,020.99/10,156.67
  6. Step 6: Final answer
    x = 4,704.20

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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.