Home / 19,295.89-28,943.76-12,674.17

Finding the Fourth Proportional to 19,295.89, 28,943.76 and 12,674.17

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Solution

The fourth proportional to 19,295.89, 28,943.76 and 12,674.17 is: 19,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.89 : 28,943.76 = 12,674.17 : x
  2. Step 2: Convert to fraction form
    19,295.89/28,943.76 = 12,674.17/x
  3. Step 3: Cross multiply
    19,295.89x = 28,943.76 × 12,674.17
  4. Step 4: Simplify right side
    19,295.89x = 366,838,134.68
  5. Step 5: Solve for x
    x = 366,838,134.68/19,295.89
  6. Step 6: Final answer
    x = 19,011.21

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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.