Home / 19,690.94-27,173.40-10,738.28

Finding the Fourth Proportional to 19,690.94, 27,173.40 and 10,738.28

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Solution

The fourth proportional to 19,690.94, 27,173.40 and 10,738.28 is: 14,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.94 : 27,173.40 = 10,738.28 : x
  2. Step 2: Convert to fraction form
    19,690.94/27,173.40 = 10,738.28/x
  3. Step 3: Cross multiply
    19,690.94x = 27,173.40 × 10,738.28
  4. Step 4: Simplify right side
    19,690.94x = 291,795,577.75
  5. Step 5: Solve for x
    x = 291,795,577.75/19,690.94
  6. Step 6: Final answer
    x = 14,818.77

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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.