Home / 14,181.75-19,570.82-7,894.53

Finding the Fourth Proportional to 14,181.75, 19,570.82 and 7,894.53

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Solution

The fourth proportional to 14,181.75, 19,570.82 and 7,894.53 is: 10,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.75 : 19,570.82 = 7,894.53 : x
  2. Step 2: Convert to fraction form
    14,181.75/19,570.82 = 7,894.53/x
  3. Step 3: Cross multiply
    14,181.75x = 19,570.82 × 7,894.53
  4. Step 4: Simplify right side
    14,181.75x = 154,502,386.14
  5. Step 5: Solve for x
    x = 154,502,386.14/14,181.75
  6. Step 6: Final answer
    x = 10,894.45

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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.