Home / 16,636.80-22,957.12-9,184.32

Finding the Fourth Proportional to 16,636.80, 22,957.12 and 9,184.32

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Solution

The fourth proportional to 16,636.80, 22,957.12 and 9,184.32 is: 12,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.80 : 22,957.12 = 9,184.32 : x
  2. Step 2: Convert to fraction form
    16,636.80/22,957.12 = 9,184.32/x
  3. Step 3: Cross multiply
    16,636.80x = 22,957.12 × 9,184.32
  4. Step 4: Simplify right side
    16,636.80x = 210,845,536.36
  5. Step 5: Solve for x
    x = 210,845,536.36/16,636.80
  6. Step 6: Final answer
    x = 12,673.44

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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.