Home / 19,657.32-27,110.34-12,103.80

Finding the Fourth Proportional to 19,657.32, 27,110.34 and 12,103.80

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Solution

The fourth proportional to 19,657.32, 27,110.34 and 12,103.80 is: 16,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.32 : 27,110.34 = 12,103.80 : x
  2. Step 2: Convert to fraction form
    19,657.32/27,110.34 = 12,103.80/x
  3. Step 3: Cross multiply
    19,657.32x = 27,110.34 × 12,103.80
  4. Step 4: Simplify right side
    19,657.32x = 328,138,133.29
  5. Step 5: Solve for x
    x = 328,138,133.29/19,657.32
  6. Step 6: Final answer
    x = 16,692.92

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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.