Home / 18,388.32-27,582.44-6,696.76

Finding the Fourth Proportional to 18,388.32, 27,582.44 and 6,696.76

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Solution

The fourth proportional to 18,388.32, 27,582.44 and 6,696.76 is: 10,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.32 : 27,582.44 = 6,696.76 : x
  2. Step 2: Convert to fraction form
    18,388.32/27,582.44 = 6,696.76/x
  3. Step 3: Cross multiply
    18,388.32x = 27,582.44 × 6,696.76
  4. Step 4: Simplify right side
    18,388.32x = 184,712,980.89
  5. Step 5: Solve for x
    x = 184,712,980.89/18,388.32
  6. Step 6: Final answer
    x = 10,045.13

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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.