Home / 12,633.80-18,898.84-10,534.28

Finding the Fourth Proportional to 12,633.80, 18,898.84 and 10,534.28

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Solution

The fourth proportional to 12,633.80, 18,898.84 and 10,534.28 is: 15,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.80 : 18,898.84 = 10,534.28 : x
  2. Step 2: Convert to fraction form
    12,633.80/18,898.84 = 10,534.28/x
  3. Step 3: Cross multiply
    12,633.80x = 18,898.84 × 10,534.28
  4. Step 4: Simplify right side
    12,633.80x = 199,085,672.24
  5. Step 5: Solve for x
    x = 199,085,672.24/12,633.80
  6. Step 6: Final answer
    x = 15,758.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.