Home / 12,385.02-18,551.24-9,739.97

Finding the Fourth Proportional to 12,385.02, 18,551.24 and 9,739.97

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Solution

The fourth proportional to 12,385.02, 18,551.24 and 9,739.97 is: 14,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.02 : 18,551.24 = 9,739.97 : x
  2. Step 2: Convert to fraction form
    12,385.02/18,551.24 = 9,739.97/x
  3. Step 3: Cross multiply
    12,385.02x = 18,551.24 × 9,739.97
  4. Step 4: Simplify right side
    12,385.02x = 180,688,521.06
  5. Step 5: Solve for x
    x = 180,688,521.06/12,385.02
  6. Step 6: Final answer
    x = 14,589.28

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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.