Home / 18,587.34-27,866.43-9,220.77

Finding the Fourth Proportional to 18,587.34, 27,866.43 and 9,220.77

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Solution

The fourth proportional to 18,587.34, 27,866.43 and 9,220.77 is: 13,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.34 : 27,866.43 = 9,220.77 : x
  2. Step 2: Convert to fraction form
    18,587.34/27,866.43 = 9,220.77/x
  3. Step 3: Cross multiply
    18,587.34x = 27,866.43 × 9,220.77
  4. Step 4: Simplify right side
    18,587.34x = 256,949,941.75
  5. Step 5: Solve for x
    x = 256,949,941.75/18,587.34
  6. Step 6: Final answer
    x = 13,823.92

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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.