Home / 19,676.52-29,526.12-11,781.45

Finding the Fourth Proportional to 19,676.52, 29,526.12 and 11,781.45

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Solution

The fourth proportional to 19,676.52, 29,526.12 and 11,781.45 is: 17,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.52 : 29,526.12 = 11,781.45 : x
  2. Step 2: Convert to fraction form
    19,676.52/29,526.12 = 11,781.45/x
  3. Step 3: Cross multiply
    19,676.52x = 29,526.12 × 11,781.45
  4. Step 4: Simplify right side
    19,676.52x = 347,860,506.47
  5. Step 5: Solve for x
    x = 347,860,506.47/19,676.52
  6. Step 6: Final answer
    x = 17,678.96

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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.