Home / 10,389.26-14,336.66-5,912.94

Finding the Fourth Proportional to 10,389.26, 14,336.66 and 5,912.94

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Solution

The fourth proportional to 10,389.26, 14,336.66 and 5,912.94 is: 8,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.26 : 14,336.66 = 5,912.94 : x
  2. Step 2: Convert to fraction form
    10,389.26/14,336.66 = 5,912.94/x
  3. Step 3: Cross multiply
    10,389.26x = 14,336.66 × 5,912.94
  4. Step 4: Simplify right side
    10,389.26x = 84,771,810.38
  5. Step 5: Solve for x
    x = 84,771,810.38/10,389.26
  6. Step 6: Final answer
    x = 8,159.56

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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.