Home / 12,392.48-18,562.80-9,058.52

Finding the Fourth Proportional to 12,392.48, 18,562.80 and 9,058.52

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Solution

The fourth proportional to 12,392.48, 18,562.80 and 9,058.52 is: 13,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.48 : 18,562.80 = 9,058.52 : x
  2. Step 2: Convert to fraction form
    12,392.48/18,562.80 = 9,058.52/x
  3. Step 3: Cross multiply
    12,392.48x = 18,562.80 × 9,058.52
  4. Step 4: Simplify right side
    12,392.48x = 168,151,495.06
  5. Step 5: Solve for x
    x = 168,151,495.06/12,392.48
  6. Step 6: Final answer
    x = 13,568.83

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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.