Home / 20,808.84-31,213.47-6,017.88

Finding the Fourth Proportional to 20,808.84, 31,213.47 and 6,017.88

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Solution

The fourth proportional to 20,808.84, 31,213.47 and 6,017.88 is: 9,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.84 : 31,213.47 = 6,017.88 : x
  2. Step 2: Convert to fraction form
    20,808.84/31,213.47 = 6,017.88/x
  3. Step 3: Cross multiply
    20,808.84x = 31,213.47 × 6,017.88
  4. Step 4: Simplify right side
    20,808.84x = 187,838,916.84
  5. Step 5: Solve for x
    x = 187,838,916.84/20,808.84
  6. Step 6: Final answer
    x = 9,026.88

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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.