Home / 19,295.90-28,954.65-8,200.70

Finding the Fourth Proportional to 19,295.90, 28,954.65 and 8,200.70

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Solution

The fourth proportional to 19,295.90, 28,954.65 and 8,200.70 is: 12,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.90 : 28,954.65 = 8,200.70 : x
  2. Step 2: Convert to fraction form
    19,295.90/28,954.65 = 8,200.70/x
  3. Step 3: Cross multiply
    19,295.90x = 28,954.65 × 8,200.70
  4. Step 4: Simplify right side
    19,295.90x = 237,448,398.26
  5. Step 5: Solve for x
    x = 237,448,398.26/19,295.90
  6. Step 6: Final answer
    x = 12,305.64

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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.