Home / 16,465.28-22,721.93-8,911.44

Finding the Fourth Proportional to 16,465.28, 22,721.93 and 8,911.44

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Solution

The fourth proportional to 16,465.28, 22,721.93 and 8,911.44 is: 12,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.28 : 22,721.93 = 8,911.44 : x
  2. Step 2: Convert to fraction form
    16,465.28/22,721.93 = 8,911.44/x
  3. Step 3: Cross multiply
    16,465.28x = 22,721.93 × 8,911.44
  4. Step 4: Simplify right side
    16,465.28x = 202,485,071.32
  5. Step 5: Solve for x
    x = 202,485,071.32/16,465.28
  6. Step 6: Final answer
    x = 12,297.70

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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.