Home / 19,782.40-29,677.26-6,277

Finding the Fourth Proportional to 19,782.40, 29,677.26 and 6,277

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Solution

The fourth proportional to 19,782.40, 29,677.26 and 6,277 is: 9,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.40 : 29,677.26 = 6,277 : x
  2. Step 2: Convert to fraction form
    19,782.40/29,677.26 = 6,277/x
  3. Step 3: Cross multiply
    19,782.40x = 29,677.26 × 6,277
  4. Step 4: Simplify right side
    19,782.40x = 186,284,161.02
  5. Step 5: Solve for x
    x = 186,284,161.02/19,782.40
  6. Step 6: Final answer
    x = 9,416.66

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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.