Home / 11,426.80-17,140.20-4,031.20

Finding the Fourth Proportional to 11,426.80, 17,140.20 and 4,031.20

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Solution

The fourth proportional to 11,426.80, 17,140.20 and 4,031.20 is: 6,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.80 : 17,140.20 = 4,031.20 : x
  2. Step 2: Convert to fraction form
    11,426.80/17,140.20 = 4,031.20/x
  3. Step 3: Cross multiply
    11,426.80x = 17,140.20 × 4,031.20
  4. Step 4: Simplify right side
    11,426.80x = 69,095,574.24
  5. Step 5: Solve for x
    x = 69,095,574.24/11,426.80
  6. Step 6: Final answer
    x = 6,046.80

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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.