Home / 12,488.19-18,733.36-5,093.16

Finding the Fourth Proportional to 12,488.19, 18,733.36 and 5,093.16

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Solution

The fourth proportional to 12,488.19, 18,733.36 and 5,093.16 is: 7,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.19 : 18,733.36 = 5,093.16 : x
  2. Step 2: Convert to fraction form
    12,488.19/18,733.36 = 5,093.16/x
  3. Step 3: Cross multiply
    12,488.19x = 18,733.36 × 5,093.16
  4. Step 4: Simplify right side
    12,488.19x = 95,411,999.82
  5. Step 5: Solve for x
    x = 95,411,999.82/12,488.19
  6. Step 6: Final answer
    x = 7,640.18

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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.