Home / 19,299.77-28,963.49-8,214.25

Finding the Fourth Proportional to 19,299.77, 28,963.49 and 8,214.25

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Solution

The fourth proportional to 19,299.77, 28,963.49 and 8,214.25 is: 12,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.77 : 28,963.49 = 8,214.25 : x
  2. Step 2: Convert to fraction form
    19,299.77/28,963.49 = 8,214.25/x
  3. Step 3: Cross multiply
    19,299.77x = 28,963.49 × 8,214.25
  4. Step 4: Simplify right side
    19,299.77x = 237,913,347.73
  5. Step 5: Solve for x
    x = 237,913,347.73/19,299.77
  6. Step 6: Final answer
    x = 12,327.26

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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.