Home / 19,289.31-26,619.75-10,791.15

Finding the Fourth Proportional to 19,289.31, 26,619.75 and 10,791.15

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Solution

The fourth proportional to 19,289.31, 26,619.75 and 10,791.15 is: 14,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.31 : 26,619.75 = 10,791.15 : x
  2. Step 2: Convert to fraction form
    19,289.31/26,619.75 = 10,791.15/x
  3. Step 3: Cross multiply
    19,289.31x = 26,619.75 × 10,791.15
  4. Step 4: Simplify right side
    19,289.31x = 287,257,715.21
  5. Step 5: Solve for x
    x = 287,257,715.21/19,289.31
  6. Step 6: Final answer
    x = 14,892.07

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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.