Home / 19,403.60-26,773.70-11,447.40

Finding the Fourth Proportional to 19,403.60, 26,773.70 and 11,447.40

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Solution

The fourth proportional to 19,403.60, 26,773.70 and 11,447.40 is: 15,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.60 : 26,773.70 = 11,447.40 : x
  2. Step 2: Convert to fraction form
    19,403.60/26,773.70 = 11,447.40/x
  3. Step 3: Cross multiply
    19,403.60x = 26,773.70 × 11,447.40
  4. Step 4: Simplify right side
    19,403.60x = 306,489,253.38
  5. Step 5: Solve for x
    x = 306,489,253.38/19,403.60
  6. Step 6: Final answer
    x = 15,795.48

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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.