Home / 17,439.84-26,120.16-8,655.12

Finding the Fourth Proportional to 17,439.84, 26,120.16 and 8,655.12

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Solution

The fourth proportional to 17,439.84, 26,120.16 and 8,655.12 is: 12,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.84 : 26,120.16 = 8,655.12 : x
  2. Step 2: Convert to fraction form
    17,439.84/26,120.16 = 8,655.12/x
  3. Step 3: Cross multiply
    17,439.84x = 26,120.16 × 8,655.12
  4. Step 4: Simplify right side
    17,439.84x = 226,073,119.22
  5. Step 5: Solve for x
    x = 226,073,119.22/17,439.84
  6. Step 6: Final answer
    x = 12,963.03

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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.