Home / 13,945.28-20,925.04-9,268.48

Finding the Fourth Proportional to 13,945.28, 20,925.04 and 9,268.48

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Solution

The fourth proportional to 13,945.28, 20,925.04 and 9,268.48 is: 13,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.28 : 20,925.04 = 9,268.48 : x
  2. Step 2: Convert to fraction form
    13,945.28/20,925.04 = 9,268.48/x
  3. Step 3: Cross multiply
    13,945.28x = 20,925.04 × 9,268.48
  4. Step 4: Simplify right side
    13,945.28x = 193,943,314.74
  5. Step 5: Solve for x
    x = 193,943,314.74/13,945.28
  6. Step 6: Final answer
    x = 13,907.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.