Home / 15,623.02-23,439.99-9,772.78

Finding the Fourth Proportional to 15,623.02, 23,439.99 and 9,772.78

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Solution

The fourth proportional to 15,623.02, 23,439.99 and 9,772.78 is: 14,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.02 : 23,439.99 = 9,772.78 : x
  2. Step 2: Convert to fraction form
    15,623.02/23,439.99 = 9,772.78/x
  3. Step 3: Cross multiply
    15,623.02x = 23,439.99 × 9,772.78
  4. Step 4: Simplify right side
    15,623.02x = 229,073,865.47
  5. Step 5: Solve for x
    x = 229,073,865.47/15,623.02
  6. Step 6: Final answer
    x = 14,662.59

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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.