Home / 10,638.72-14,681.52-6,163.74

Finding the Fourth Proportional to 10,638.72, 14,681.52 and 6,163.74

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Solution

The fourth proportional to 10,638.72, 14,681.52 and 6,163.74 is: 8,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.72 : 14,681.52 = 6,163.74 : x
  2. Step 2: Convert to fraction form
    10,638.72/14,681.52 = 6,163.74/x
  3. Step 3: Cross multiply
    10,638.72x = 14,681.52 × 6,163.74
  4. Step 4: Simplify right side
    10,638.72x = 90,493,072.08
  5. Step 5: Solve for x
    x = 90,493,072.08/10,638.72
  6. Step 6: Final answer
    x = 8,506.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.