Home / 19,230.38-26,538.27-11,278.34

Finding the Fourth Proportional to 19,230.38, 26,538.27 and 11,278.34

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Solution

The fourth proportional to 19,230.38, 26,538.27 and 11,278.34 is: 15,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.38 : 26,538.27 = 11,278.34 : x
  2. Step 2: Convert to fraction form
    19,230.38/26,538.27 = 11,278.34/x
  3. Step 3: Cross multiply
    19,230.38x = 26,538.27 × 11,278.34
  4. Step 4: Simplify right side
    19,230.38x = 299,307,632.07
  5. Step 5: Solve for x
    x = 299,307,632.07/19,230.38
  6. Step 6: Final answer
    x = 15,564.31

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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.