Home / 19,214.96-26,517.31-11,148.01

Finding the Fourth Proportional to 19,214.96, 26,517.31 and 11,148.01

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Solution

The fourth proportional to 19,214.96, 26,517.31 and 11,148.01 is: 15,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.96 : 26,517.31 = 11,148.01 : x
  2. Step 2: Convert to fraction form
    19,214.96/26,517.31 = 11,148.01/x
  3. Step 3: Cross multiply
    19,214.96x = 26,517.31 × 11,148.01
  4. Step 4: Simplify right side
    19,214.96x = 295,615,142.89
  5. Step 5: Solve for x
    x = 295,615,142.89/19,214.96
  6. Step 6: Final answer
    x = 15,384.63

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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.