Home / 13,903.92-19,207.80-11,268.72

Finding the Fourth Proportional to 13,903.92, 19,207.80 and 11,268.72

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Solution

The fourth proportional to 13,903.92, 19,207.80 and 11,268.72 is: 15,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.92 : 19,207.80 = 11,268.72 : x
  2. Step 2: Convert to fraction form
    13,903.92/19,207.80 = 11,268.72/x
  3. Step 3: Cross multiply
    13,903.92x = 19,207.80 × 11,268.72
  4. Step 4: Simplify right side
    13,903.92x = 216,447,320.02
  5. Step 5: Solve for x
    x = 216,447,320.02/13,903.92
  6. Step 6: Final answer
    x = 15,567.36

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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.