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Finding the Fourth Proportional to 11,119, 15,346.04 and 6,402.48

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Solution

The fourth proportional to 11,119, 15,346.04 and 6,402.48 is: 8,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119 : 15,346.04 = 6,402.48 : x
  2. Step 2: Convert to fraction form
    11,119/15,346.04 = 6,402.48/x
  3. Step 3: Cross multiply
    11,119x = 15,346.04 × 6,402.48
  4. Step 4: Simplify right side
    11,119x = 98,252,714.18
  5. Step 5: Solve for x
    x = 98,252,714.18/11,119
  6. Step 6: Final answer
    x = 8,836.47

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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.