Home / 12,723.69-19,097.28-9,169.50

Finding the Fourth Proportional to 12,723.69, 19,097.28 and 9,169.50

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Solution

The fourth proportional to 12,723.69, 19,097.28 and 9,169.50 is: 13,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.69 : 19,097.28 = 9,169.50 : x
  2. Step 2: Convert to fraction form
    12,723.69/19,097.28 = 9,169.50/x
  3. Step 3: Cross multiply
    12,723.69x = 19,097.28 × 9,169.50
  4. Step 4: Simplify right side
    12,723.69x = 175,112,508.96
  5. Step 5: Solve for x
    x = 175,112,508.96/12,723.69
  6. Step 6: Final answer
    x = 13,762.71

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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.