Home / 12,923.13-19,384.69-8,539.56

Finding the Fourth Proportional to 12,923.13, 19,384.69 and 8,539.56

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Solution

The fourth proportional to 12,923.13, 19,384.69 and 8,539.56 is: 12,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.13 : 19,384.69 = 8,539.56 : x
  2. Step 2: Convert to fraction form
    12,923.13/19,384.69 = 8,539.56/x
  3. Step 3: Cross multiply
    12,923.13x = 19,384.69 × 8,539.56
  4. Step 4: Simplify right side
    12,923.13x = 165,536,723.34
  5. Step 5: Solve for x
    x = 165,536,723.34/12,923.13
  6. Step 6: Final answer
    x = 12,809.34

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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.