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Finding the Fourth Proportional to 16,859.80, 25,297.08 and 9,059.50

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Solution

The fourth proportional to 16,859.80, 25,297.08 and 9,059.50 is: 13,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.80 : 25,297.08 = 9,059.50 : x
  2. Step 2: Convert to fraction form
    16,859.80/25,297.08 = 9,059.50/x
  3. Step 3: Cross multiply
    16,859.80x = 25,297.08 × 9,059.50
  4. Step 4: Simplify right side
    16,859.80x = 229,178,896.26
  5. Step 5: Solve for x
    x = 229,178,896.26/16,859.80
  6. Step 6: Final answer
    x = 13,593.22

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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.