Home / 16,856.38-25,264.89-12,682.98

Finding the Fourth Proportional to 16,856.38, 25,264.89 and 12,682.98

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Solution

The fourth proportional to 16,856.38, 25,264.89 and 12,682.98 is: 19,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.38 : 25,264.89 = 12,682.98 : x
  2. Step 2: Convert to fraction form
    16,856.38/25,264.89 = 12,682.98/x
  3. Step 3: Cross multiply
    16,856.38x = 25,264.89 × 12,682.98
  4. Step 4: Simplify right side
    16,856.38x = 320,434,094.57
  5. Step 5: Solve for x
    x = 320,434,094.57/16,856.38
  6. Step 6: Final answer
    x = 19,009.66

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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.