Home / 19,539.34-26,963.48-11,471.88

Finding the Fourth Proportional to 19,539.34, 26,963.48 and 11,471.88

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Solution

The fourth proportional to 19,539.34, 26,963.48 and 11,471.88 is: 15,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.34 : 26,963.48 = 11,471.88 : x
  2. Step 2: Convert to fraction form
    19,539.34/26,963.48 = 11,471.88/x
  3. Step 3: Cross multiply
    19,539.34x = 26,963.48 × 11,471.88
  4. Step 4: Simplify right side
    19,539.34x = 309,321,806.94
  5. Step 5: Solve for x
    x = 309,321,806.94/19,539.34
  6. Step 6: Final answer
    x = 15,830.72

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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.