Home / 14,277.89-19,703.52-7,990.27

Finding the Fourth Proportional to 14,277.89, 19,703.52 and 7,990.27

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Solution

The fourth proportional to 14,277.89, 19,703.52 and 7,990.27 is: 11,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.89 : 19,703.52 = 7,990.27 : x
  2. Step 2: Convert to fraction form
    14,277.89/19,703.52 = 7,990.27/x
  3. Step 3: Cross multiply
    14,277.89x = 19,703.52 × 7,990.27
  4. Step 4: Simplify right side
    14,277.89x = 157,436,306.28
  5. Step 5: Solve for x
    x = 157,436,306.28/14,277.89
  6. Step 6: Final answer
    x = 11,026.58

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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.