Home / 14,778.26-20,397.43-9,743.37

Finding the Fourth Proportional to 14,778.26, 20,397.43 and 9,743.37

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Solution

The fourth proportional to 14,778.26, 20,397.43 and 9,743.37 is: 13,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.26 : 20,397.43 = 9,743.37 : x
  2. Step 2: Convert to fraction form
    14,778.26/20,397.43 = 9,743.37/x
  3. Step 3: Cross multiply
    14,778.26x = 20,397.43 × 9,743.37
  4. Step 4: Simplify right side
    14,778.26x = 198,739,683.18
  5. Step 5: Solve for x
    x = 198,739,683.18/14,778.26
  6. Step 6: Final answer
    x = 13,448.11

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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.