Home / 14,230.35-19,638.97-7,858.17

Finding the Fourth Proportional to 14,230.35, 19,638.97 and 7,858.17

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Solution

The fourth proportional to 14,230.35, 19,638.97 and 7,858.17 is: 10,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.35 : 19,638.97 = 7,858.17 : x
  2. Step 2: Convert to fraction form
    14,230.35/19,638.97 = 7,858.17/x
  3. Step 3: Cross multiply
    14,230.35x = 19,638.97 × 7,858.17
  4. Step 4: Simplify right side
    14,230.35x = 154,326,364.88
  5. Step 5: Solve for x
    x = 154,326,364.88/14,230.35
  6. Step 6: Final answer
    x = 10,844.87

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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.