Home / 16,455.30-22,708.24-8,901.64

Finding the Fourth Proportional to 16,455.30, 22,708.24 and 8,901.64

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Solution

The fourth proportional to 16,455.30, 22,708.24 and 8,901.64 is: 12,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.30 : 22,708.24 = 8,901.64 : x
  2. Step 2: Convert to fraction form
    16,455.30/22,708.24 = 8,901.64/x
  3. Step 3: Cross multiply
    16,455.30x = 22,708.24 × 8,901.64
  4. Step 4: Simplify right side
    16,455.30x = 202,140,577.51
  5. Step 5: Solve for x
    x = 202,140,577.51/16,455.30
  6. Step 6: Final answer
    x = 12,284.22

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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.