Home / 18,826.07-25,972.58-13,159.31

Finding the Fourth Proportional to 18,826.07, 25,972.58 and 13,159.31

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Solution

The fourth proportional to 18,826.07, 25,972.58 and 13,159.31 is: 18,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.07 : 25,972.58 = 13,159.31 : x
  2. Step 2: Convert to fraction form
    18,826.07/25,972.58 = 13,159.31/x
  3. Step 3: Cross multiply
    18,826.07x = 25,972.58 × 13,159.31
  4. Step 4: Simplify right side
    18,826.07x = 341,781,134.76
  5. Step 5: Solve for x
    x = 341,781,134.76/18,826.07
  6. Step 6: Final answer
    x = 18,154.68

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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.