Home / 14,277.50-19,702.98-7,991.36

Finding the Fourth Proportional to 14,277.50, 19,702.98 and 7,991.36

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Solution

The fourth proportional to 14,277.50, 19,702.98 and 7,991.36 is: 11,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.50 : 19,702.98 = 7,991.36 : x
  2. Step 2: Convert to fraction form
    14,277.50/19,702.98 = 7,991.36/x
  3. Step 3: Cross multiply
    14,277.50x = 19,702.98 × 7,991.36
  4. Step 4: Simplify right side
    14,277.50x = 157,453,606.25
  5. Step 5: Solve for x
    x = 157,453,606.25/14,277.50
  6. Step 6: Final answer
    x = 11,028.09

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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.