Home / 19,087.09-28,630.63-10,339.09

Finding the Fourth Proportional to 19,087.09, 28,630.63 and 10,339.09

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Solution

The fourth proportional to 19,087.09, 28,630.63 and 10,339.09 is: 15,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.09 : 28,630.63 = 10,339.09 : x
  2. Step 2: Convert to fraction form
    19,087.09/28,630.63 = 10,339.09/x
  3. Step 3: Cross multiply
    19,087.09x = 28,630.63 × 10,339.09
  4. Step 4: Simplify right side
    19,087.09x = 296,014,517.17
  5. Step 5: Solve for x
    x = 296,014,517.17/19,087.09
  6. Step 6: Final answer
    x = 15,508.63

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Double scale
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Similar ratio
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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.