Home / 17,415.64-26,119.96-8,527.13

Finding the Fourth Proportional to 17,415.64, 26,119.96 and 8,527.13

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Solution

The fourth proportional to 17,415.64, 26,119.96 and 8,527.13 is: 12,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.64 : 26,119.96 = 8,527.13 : x
  2. Step 2: Convert to fraction form
    17,415.64/26,119.96 = 8,527.13/x
  3. Step 3: Cross multiply
    17,415.64x = 26,119.96 × 8,527.13
  4. Step 4: Simplify right side
    17,415.64x = 222,728,338.50
  5. Step 5: Solve for x
    x = 222,728,338.50/17,415.64
  6. Step 6: Final answer
    x = 12,788.99

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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.