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Finding the Fourth Proportional to 17,904.02, 26,856.06 and 6,808.16

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Solution

The fourth proportional to 17,904.02, 26,856.06 and 6,808.16 is: 10,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.02 : 26,856.06 = 6,808.16 : x
  2. Step 2: Convert to fraction form
    17,904.02/26,856.06 = 6,808.16/x
  3. Step 3: Cross multiply
    17,904.02x = 26,856.06 × 6,808.16
  4. Step 4: Simplify right side
    17,904.02x = 182,840,353.45
  5. Step 5: Solve for x
    x = 182,840,353.45/17,904.02
  6. Step 6: Final answer
    x = 10,212.25

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1.5x scale

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.