Home / 18,887.92-26,070.82-12,600.28

Finding the Fourth Proportional to 18,887.92, 26,070.82 and 12,600.28

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Solution

The fourth proportional to 18,887.92, 26,070.82 and 12,600.28 is: 17,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.92 : 26,070.82 = 12,600.28 : x
  2. Step 2: Convert to fraction form
    18,887.92/26,070.82 = 12,600.28/x
  3. Step 3: Cross multiply
    18,887.92x = 26,070.82 × 12,600.28
  4. Step 4: Simplify right side
    18,887.92x = 328,499,631.83
  5. Step 5: Solve for x
    x = 328,499,631.83/18,887.92
  6. Step 6: Final answer
    x = 17,392.05

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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.