Home / 10,134.93-15,178.87-9,784.51

Finding the Fourth Proportional to 10,134.93, 15,178.87 and 9,784.51

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Solution

The fourth proportional to 10,134.93, 15,178.87 and 9,784.51 is: 14,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.93 : 15,178.87 = 9,784.51 : x
  2. Step 2: Convert to fraction form
    10,134.93/15,178.87 = 9,784.51/x
  3. Step 3: Cross multiply
    10,134.93x = 15,178.87 × 9,784.51
  4. Step 4: Simplify right side
    10,134.93x = 148,517,805.30
  5. Step 5: Solve for x
    x = 148,517,805.30/10,134.93
  6. Step 6: Final answer
    x = 14,654.05

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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.