Home / 19,689.42-27,170.58-10,736.76

Finding the Fourth Proportional to 19,689.42, 27,170.58 and 10,736.76

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Solution

The fourth proportional to 19,689.42, 27,170.58 and 10,736.76 is: 14,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.42 : 27,170.58 = 10,736.76 : x
  2. Step 2: Convert to fraction form
    19,689.42/27,170.58 = 10,736.76/x
  3. Step 3: Cross multiply
    19,689.42x = 27,170.58 × 10,736.76
  4. Step 4: Simplify right side
    19,689.42x = 291,723,996.52
  5. Step 5: Solve for x
    x = 291,723,996.52/19,689.42
  6. Step 6: Final answer
    x = 14,816.28

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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.