Home / 10,109.64-15,164.52-3,184.08

Finding the Fourth Proportional to 10,109.64, 15,164.52 and 3,184.08

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Solution

The fourth proportional to 10,109.64, 15,164.52 and 3,184.08 is: 4,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.64 : 15,164.52 = 3,184.08 : x
  2. Step 2: Convert to fraction form
    10,109.64/15,164.52 = 3,184.08/x
  3. Step 3: Cross multiply
    10,109.64x = 15,164.52 × 3,184.08
  4. Step 4: Simplify right side
    10,109.64x = 48,285,044.84
  5. Step 5: Solve for x
    x = 48,285,044.84/10,109.64
  6. Step 6: Final answer
    x = 4,776.14

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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.