Home / 15,372.09-23,054.49-4,279.14

Finding the Fourth Proportional to 15,372.09, 23,054.49 and 4,279.14

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Solution

The fourth proportional to 15,372.09, 23,054.49 and 4,279.14 is: 6,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.09 : 23,054.49 = 4,279.14 : x
  2. Step 2: Convert to fraction form
    15,372.09/23,054.49 = 4,279.14/x
  3. Step 3: Cross multiply
    15,372.09x = 23,054.49 × 4,279.14
  4. Step 4: Simplify right side
    15,372.09x = 98,653,390.34
  5. Step 5: Solve for x
    x = 98,653,390.34/15,372.09
  6. Step 6: Final answer
    x = 6,417.70

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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.