Home / 14,277.39-19,702.82-7,989.77

Finding the Fourth Proportional to 14,277.39, 19,702.82 and 7,989.77

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Solution

The fourth proportional to 14,277.39, 19,702.82 and 7,989.77 is: 11,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.39 : 19,702.82 = 7,989.77 : x
  2. Step 2: Convert to fraction form
    14,277.39/19,702.82 = 7,989.77/x
  3. Step 3: Cross multiply
    14,277.39x = 19,702.82 × 7,989.77
  4. Step 4: Simplify right side
    14,277.39x = 157,420,921.61
  5. Step 5: Solve for x
    x = 157,420,921.61/14,277.39
  6. Step 6: Final answer
    x = 11,025.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.