Home / 18,838.08-26,000.15-12,464.80

Finding the Fourth Proportional to 18,838.08, 26,000.15 and 12,464.80

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Solution

The fourth proportional to 18,838.08, 26,000.15 and 12,464.80 is: 17,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.08 : 26,000.15 = 12,464.80 : x
  2. Step 2: Convert to fraction form
    18,838.08/26,000.15 = 12,464.80/x
  3. Step 3: Cross multiply
    18,838.08x = 26,000.15 × 12,464.80
  4. Step 4: Simplify right side
    18,838.08x = 324,086,542.40
  5. Step 5: Solve for x
    x = 324,086,542.40/18,838.08
  6. Step 6: Final answer
    x = 17,203.80

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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.