Home / 10,156.23-15,235.80-3,136.83

Finding the Fourth Proportional to 10,156.23, 15,235.80 and 3,136.83

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Solution

The fourth proportional to 10,156.23, 15,235.80 and 3,136.83 is: 4,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.23 : 15,235.80 = 3,136.83 : x
  2. Step 2: Convert to fraction form
    10,156.23/15,235.80 = 3,136.83/x
  3. Step 3: Cross multiply
    10,156.23x = 15,235.80 × 3,136.83
  4. Step 4: Simplify right side
    10,156.23x = 47,792,114.51
  5. Step 5: Solve for x
    x = 47,792,114.51/10,156.23
  6. Step 6: Final answer
    x = 4,705.69

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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.