Home / 18,035.15-24,896.36-12,934.31

Finding the Fourth Proportional to 18,035.15, 24,896.36 and 12,934.31

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Solution

The fourth proportional to 18,035.15, 24,896.36 and 12,934.31 is: 17,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.15 : 24,896.36 = 12,934.31 : x
  2. Step 2: Convert to fraction form
    18,035.15/24,896.36 = 12,934.31/x
  3. Step 3: Cross multiply
    18,035.15x = 24,896.36 × 12,934.31
  4. Step 4: Simplify right side
    18,035.15x = 322,017,145.97
  5. Step 5: Solve for x
    x = 322,017,145.97/18,035.15
  6. Step 6: Final answer
    x = 17,854.98

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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.