Home / 16,130.88-22,261.32-10,161.72

Finding the Fourth Proportional to 16,130.88, 22,261.32 and 10,161.72

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Solution

The fourth proportional to 16,130.88, 22,261.32 and 10,161.72 is: 14,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.88 : 22,261.32 = 10,161.72 : x
  2. Step 2: Convert to fraction form
    16,130.88/22,261.32 = 10,161.72/x
  3. Step 3: Cross multiply
    16,130.88x = 22,261.32 × 10,161.72
  4. Step 4: Simplify right side
    16,130.88x = 226,213,300.67
  5. Step 5: Solve for x
    x = 226,213,300.67/16,130.88
  6. Step 6: Final answer
    x = 14,023.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.