Home / 19,931.84-29,901.36-8,246

Finding the Fourth Proportional to 19,931.84, 29,901.36 and 8,246

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Solution

The fourth proportional to 19,931.84, 29,901.36 and 8,246 is: 12,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.84 : 29,901.36 = 8,246 : x
  2. Step 2: Convert to fraction form
    19,931.84/29,901.36 = 8,246/x
  3. Step 3: Cross multiply
    19,931.84x = 29,901.36 × 8,246
  4. Step 4: Simplify right side
    19,931.84x = 246,566,614.56
  5. Step 5: Solve for x
    x = 246,566,614.56/19,931.84
  6. Step 6: Final answer
    x = 12,370.49

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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.