Home / 10,917.64-15,066.96-6,444.04

Finding the Fourth Proportional to 10,917.64, 15,066.96 and 6,444.04

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Solution

The fourth proportional to 10,917.64, 15,066.96 and 6,444.04 is: 8,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.64 : 15,066.96 = 6,444.04 : x
  2. Step 2: Convert to fraction form
    10,917.64/15,066.96 = 6,444.04/x
  3. Step 3: Cross multiply
    10,917.64x = 15,066.96 × 6,444.04
  4. Step 4: Simplify right side
    10,917.64x = 97,092,092.92
  5. Step 5: Solve for x
    x = 97,092,092.92/10,917.64
  6. Step 6: Final answer
    x = 8,893.14

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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.