Home / 16,869.64-23,267.16-12,903.88

Finding the Fourth Proportional to 16,869.64, 23,267.16 and 12,903.88

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Solution

The fourth proportional to 16,869.64, 23,267.16 and 12,903.88 is: 17,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.64 : 23,267.16 = 12,903.88 : x
  2. Step 2: Convert to fraction form
    16,869.64/23,267.16 = 12,903.88/x
  3. Step 3: Cross multiply
    16,869.64x = 23,267.16 × 12,903.88
  4. Step 4: Simplify right side
    16,869.64x = 300,236,640.58
  5. Step 5: Solve for x
    x = 300,236,640.58/16,869.64
  6. Step 6: Final answer
    x = 17,797.45

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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.