Home / 16,165.37-22,309.13-10,778.51

Finding the Fourth Proportional to 16,165.37, 22,309.13 and 10,778.51

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Solution

The fourth proportional to 16,165.37, 22,309.13 and 10,778.51 is: 14,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.37 : 22,309.13 = 10,778.51 : x
  2. Step 2: Convert to fraction form
    16,165.37/22,309.13 = 10,778.51/x
  3. Step 3: Cross multiply
    16,165.37x = 22,309.13 × 10,778.51
  4. Step 4: Simplify right side
    16,165.37x = 240,459,126.90
  5. Step 5: Solve for x
    x = 240,459,126.90/16,165.37
  6. Step 6: Final answer
    x = 14,874.95

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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.