Home / 13,948.00-19,243.56-7,897.42

Finding the Fourth Proportional to 13,948.00, 19,243.56 and 7,897.42

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Solution

The fourth proportional to 13,948.00, 19,243.56 and 7,897.42 is: 10,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.00 : 19,243.56 = 7,897.42 : x
  2. Step 2: Convert to fraction form
    13,948.00/19,243.56 = 7,897.42/x
  3. Step 3: Cross multiply
    13,948.00x = 19,243.56 × 7,897.42
  4. Step 4: Simplify right side
    13,948.00x = 151,974,376.62
  5. Step 5: Solve for x
    x = 151,974,376.62/13,948.00
  6. Step 6: Final answer
    x = 10,895.78

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Double scale
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Similar ratio
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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.