Home / 15,140.26-20,893.54-9,395.58

Finding the Fourth Proportional to 15,140.26, 20,893.54 and 9,395.58

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Solution

The fourth proportional to 15,140.26, 20,893.54 and 9,395.58 is: 12,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.26 : 20,893.54 = 9,395.58 : x
  2. Step 2: Convert to fraction form
    15,140.26/20,893.54 = 9,395.58/x
  3. Step 3: Cross multiply
    15,140.26x = 20,893.54 × 9,395.58
  4. Step 4: Simplify right side
    15,140.26x = 196,306,903.06
  5. Step 5: Solve for x
    x = 196,306,903.06/15,140.26
  6. Step 6: Final answer
    x = 12,965.89

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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.