Home / 10,243.23-14,136.33-5,706.64

Finding the Fourth Proportional to 10,243.23, 14,136.33 and 5,706.64

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Solution

The fourth proportional to 10,243.23, 14,136.33 and 5,706.64 is: 7,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.23 : 14,136.33 = 5,706.64 : x
  2. Step 2: Convert to fraction form
    10,243.23/14,136.33 = 5,706.64/x
  3. Step 3: Cross multiply
    10,243.23x = 14,136.33 × 5,706.64
  4. Step 4: Simplify right side
    10,243.23x = 80,670,946.23
  5. Step 5: Solve for x
    x = 80,670,946.23/10,243.23
  6. Step 6: Final answer
    x = 7,875.54

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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.