Home / 16,455.53-22,707.11-10,079.21

Finding the Fourth Proportional to 16,455.53, 22,707.11 and 10,079.21

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Solution

The fourth proportional to 16,455.53, 22,707.11 and 10,079.21 is: 13,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.53 : 22,707.11 = 10,079.21 : x
  2. Step 2: Convert to fraction form
    16,455.53/22,707.11 = 10,079.21/x
  3. Step 3: Cross multiply
    16,455.53x = 22,707.11 × 10,079.21
  4. Step 4: Simplify right side
    16,455.53x = 228,869,566.25
  5. Step 5: Solve for x
    x = 228,869,566.25/16,455.53
  6. Step 6: Final answer
    x = 13,908.37

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1.5x scale

Why These Related Problems?

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