Home / 18,513.52-25,548.44-10,130

Finding the Fourth Proportional to 18,513.52, 25,548.44 and 10,130

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Solution

The fourth proportional to 18,513.52, 25,548.44 and 10,130 is: 13,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.52 : 25,548.44 = 10,130 : x
  2. Step 2: Convert to fraction form
    18,513.52/25,548.44 = 10,130/x
  3. Step 3: Cross multiply
    18,513.52x = 25,548.44 × 10,130
  4. Step 4: Simplify right side
    18,513.52x = 258,805,697.20
  5. Step 5: Solve for x
    x = 258,805,697.20/18,513.52
  6. Step 6: Final answer
    x = 13,979.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.