Home / 10,091.49-15,126.89-4,548.72

Finding the Fourth Proportional to 10,091.49, 15,126.89 and 4,548.72

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Solution

The fourth proportional to 10,091.49, 15,126.89 and 4,548.72 is: 6,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.49 : 15,126.89 = 4,548.72 : x
  2. Step 2: Convert to fraction form
    10,091.49/15,126.89 = 4,548.72/x
  3. Step 3: Cross multiply
    10,091.49x = 15,126.89 × 4,548.72
  4. Step 4: Simplify right side
    10,091.49x = 68,807,964.34
  5. Step 5: Solve for x
    x = 68,807,964.34/10,091.49
  6. Step 6: Final answer
    x = 6,818.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.