Home / 10,647.44-14,693.62-6,171.50

Finding the Fourth Proportional to 10,647.44, 14,693.62 and 6,171.50

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Solution

The fourth proportional to 10,647.44, 14,693.62 and 6,171.50 is: 8,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.44 : 14,693.62 = 6,171.50 : x
  2. Step 2: Convert to fraction form
    10,647.44/14,693.62 = 6,171.50/x
  3. Step 3: Cross multiply
    10,647.44x = 14,693.62 × 6,171.50
  4. Step 4: Simplify right side
    10,647.44x = 90,681,675.83
  5. Step 5: Solve for x
    x = 90,681,675.83/10,647.44
  6. Step 6: Final answer
    x = 8,516.76

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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.