Home / 19,818.72-29,717.64-10,463.76

Finding the Fourth Proportional to 19,818.72, 29,717.64 and 10,463.76

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Solution

The fourth proportional to 19,818.72, 29,717.64 and 10,463.76 is: 15,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.72 : 29,717.64 = 10,463.76 : x
  2. Step 2: Convert to fraction form
    19,818.72/29,717.64 = 10,463.76/x
  3. Step 3: Cross multiply
    19,818.72x = 29,717.64 × 10,463.76
  4. Step 4: Simplify right side
    19,818.72x = 310,958,252.73
  5. Step 5: Solve for x
    x = 310,958,252.73/19,818.72
  6. Step 6: Final answer
    x = 15,690.13

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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.