Home / 18,538.13-25,582.71-10,154.63

Finding the Fourth Proportional to 18,538.13, 25,582.71 and 10,154.63

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Solution

The fourth proportional to 18,538.13, 25,582.71 and 10,154.63 is: 14,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.13 : 25,582.71 = 10,154.63 : x
  2. Step 2: Convert to fraction form
    18,538.13/25,582.71 = 10,154.63/x
  3. Step 3: Cross multiply
    18,538.13x = 25,582.71 × 10,154.63
  4. Step 4: Simplify right side
    18,538.13x = 259,782,826.53
  5. Step 5: Solve for x
    x = 259,782,826.53/18,538.13
  6. Step 6: Final answer
    x = 14,013.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.