Home / 14,418.02-21,619.32-7,395.17

Finding the Fourth Proportional to 14,418.02, 21,619.32 and 7,395.17

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Solution

The fourth proportional to 14,418.02, 21,619.32 and 7,395.17 is: 11,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.02 : 21,619.32 = 7,395.17 : x
  2. Step 2: Convert to fraction form
    14,418.02/21,619.32 = 7,395.17/x
  3. Step 3: Cross multiply
    14,418.02x = 21,619.32 × 7,395.17
  4. Step 4: Simplify right side
    14,418.02x = 159,878,410.86
  5. Step 5: Solve for x
    x = 159,878,410.86/14,418.02
  6. Step 6: Final answer
    x = 11,088.79

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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.