Home / 19,829.40-29,747.54-6,681.88

Finding the Fourth Proportional to 19,829.40, 29,747.54 and 6,681.88

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Solution

The fourth proportional to 19,829.40, 29,747.54 and 6,681.88 is: 10,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.40 : 29,747.54 = 6,681.88 : x
  2. Step 2: Convert to fraction form
    19,829.40/29,747.54 = 6,681.88/x
  3. Step 3: Cross multiply
    19,829.40x = 29,747.54 × 6,681.88
  4. Step 4: Simplify right side
    19,829.40x = 198,769,492.58
  5. Step 5: Solve for x
    x = 198,769,492.58/19,829.40
  6. Step 6: Final answer
    x = 10,023.98

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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.