Home / 16,849.80-23,257.35-9,778.50

Finding the Fourth Proportional to 16,849.80, 23,257.35 and 9,778.50

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Solution

The fourth proportional to 16,849.80, 23,257.35 and 9,778.50 is: 13,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.80 : 23,257.35 = 9,778.50 : x
  2. Step 2: Convert to fraction form
    16,849.80/23,257.35 = 9,778.50/x
  3. Step 3: Cross multiply
    16,849.80x = 23,257.35 × 9,778.50
  4. Step 4: Simplify right side
    16,849.80x = 227,421,996.98
  5. Step 5: Solve for x
    x = 227,421,996.98/16,849.80
  6. Step 6: Final answer
    x = 13,497.01

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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.