Home / 18,541.50-25,587.36-10,158

Finding the Fourth Proportional to 18,541.50, 25,587.36 and 10,158

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Solution

The fourth proportional to 18,541.50, 25,587.36 and 10,158 is: 14,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.50 : 25,587.36 = 10,158 : x
  2. Step 2: Convert to fraction form
    18,541.50/25,587.36 = 10,158/x
  3. Step 3: Cross multiply
    18,541.50x = 25,587.36 × 10,158
  4. Step 4: Simplify right side
    18,541.50x = 259,916,402.88
  5. Step 5: Solve for x
    x = 259,916,402.88/18,541.50
  6. Step 6: Final answer
    x = 14,018.09

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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.