Home / 10,001.64-13,794.39-9,330.96

Finding the Fourth Proportional to 10,001.64, 13,794.39 and 9,330.96

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Solution

The fourth proportional to 10,001.64, 13,794.39 and 9,330.96 is: 12,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.64 : 13,794.39 = 9,330.96 : x
  2. Step 2: Convert to fraction form
    10,001.64/13,794.39 = 9,330.96/x
  3. Step 3: Cross multiply
    10,001.64x = 13,794.39 × 9,330.96
  4. Step 4: Simplify right side
    10,001.64x = 128,714,901.31
  5. Step 5: Solve for x
    x = 128,714,901.31/10,001.64
  6. Step 6: Final answer
    x = 12,869.38

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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.