Home / 19,103.19-28,649.25-8,009.58

Finding the Fourth Proportional to 19,103.19, 28,649.25 and 8,009.58

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Solution

The fourth proportional to 19,103.19, 28,649.25 and 8,009.58 is: 12,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.19 : 28,649.25 = 8,009.58 : x
  2. Step 2: Convert to fraction form
    19,103.19/28,649.25 = 8,009.58/x
  3. Step 3: Cross multiply
    19,103.19x = 28,649.25 × 8,009.58
  4. Step 4: Simplify right side
    19,103.19x = 229,468,459.82
  5. Step 5: Solve for x
    x = 229,468,459.82/19,103.19
  6. Step 6: Final answer
    x = 12,012.05

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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.