Home / 19,159.69-28,710.26-8,060.30

Finding the Fourth Proportional to 19,159.69, 28,710.26 and 8,060.30

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Solution

The fourth proportional to 19,159.69, 28,710.26 and 8,060.30 is: 12,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.69 : 28,710.26 = 8,060.30 : x
  2. Step 2: Convert to fraction form
    19,159.69/28,710.26 = 8,060.30/x
  3. Step 3: Cross multiply
    19,159.69x = 28,710.26 × 8,060.30
  4. Step 4: Simplify right side
    19,159.69x = 231,413,308.68
  5. Step 5: Solve for x
    x = 231,413,308.68/19,159.69
  6. Step 6: Final answer
    x = 12,078.13

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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.