Home / 14,143.08-21,217.35-5,377.31

Finding the Fourth Proportional to 14,143.08, 21,217.35 and 5,377.31

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Solution

The fourth proportional to 14,143.08, 21,217.35 and 5,377.31 is: 8,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.08 : 21,217.35 = 5,377.31 : x
  2. Step 2: Convert to fraction form
    14,143.08/21,217.35 = 5,377.31/x
  3. Step 3: Cross multiply
    14,143.08x = 21,217.35 × 5,377.31
  4. Step 4: Simplify right side
    14,143.08x = 114,092,276.55
  5. Step 5: Solve for x
    x = 114,092,276.55/14,143.08
  6. Step 6: Final answer
    x = 8,067.00

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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.