Home / 15,428.86-23,145.56-4,895.37

Finding the Fourth Proportional to 15,428.86, 23,145.56 and 4,895.37

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Solution

The fourth proportional to 15,428.86, 23,145.56 and 4,895.37 is: 7,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.86 : 23,145.56 = 4,895.37 : x
  2. Step 2: Convert to fraction form
    15,428.86/23,145.56 = 4,895.37/x
  3. Step 3: Cross multiply
    15,428.86x = 23,145.56 × 4,895.37
  4. Step 4: Simplify right side
    15,428.86x = 113,306,080.06
  5. Step 5: Solve for x
    x = 113,306,080.06/15,428.86
  6. Step 6: Final answer
    x = 7,343.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.