Home / 14,389.56-21,587.00-5,623.92

Finding the Fourth Proportional to 14,389.56, 21,587.00 and 5,623.92

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Solution

The fourth proportional to 14,389.56, 21,587.00 and 5,623.92 is: 8,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.56 : 21,587.00 = 5,623.92 : x
  2. Step 2: Convert to fraction form
    14,389.56/21,587.00 = 5,623.92/x
  3. Step 3: Cross multiply
    14,389.56x = 21,587.00 × 5,623.92
  4. Step 4: Simplify right side
    14,389.56x = 121,403,532.92
  5. Step 5: Solve for x
    x = 121,403,532.92/14,389.56
  6. Step 6: Final answer
    x = 8,436.92

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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.