Home / 14,669.64-21,985.02-10,755.72

Finding the Fourth Proportional to 14,669.64, 21,985.02 and 10,755.72

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Solution

The fourth proportional to 14,669.64, 21,985.02 and 10,755.72 is: 16,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.64 : 21,985.02 = 10,755.72 : x
  2. Step 2: Convert to fraction form
    14,669.64/21,985.02 = 10,755.72/x
  3. Step 3: Cross multiply
    14,669.64x = 21,985.02 × 10,755.72
  4. Step 4: Simplify right side
    14,669.64x = 236,464,719.31
  5. Step 5: Solve for x
    x = 236,464,719.31/14,669.64
  6. Step 6: Final answer
    x = 16,119.33

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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.