Home / 14,142.26-19,516.36-7,854.63

Finding the Fourth Proportional to 14,142.26, 19,516.36 and 7,854.63

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Solution

The fourth proportional to 14,142.26, 19,516.36 and 7,854.63 is: 10,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.26 : 19,516.36 = 7,854.63 : x
  2. Step 2: Convert to fraction form
    14,142.26/19,516.36 = 7,854.63/x
  3. Step 3: Cross multiply
    14,142.26x = 19,516.36 × 7,854.63
  4. Step 4: Simplify right side
    14,142.26x = 153,293,786.75
  5. Step 5: Solve for x
    x = 153,293,786.75/14,142.26
  6. Step 6: Final answer
    x = 10,839.41

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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.