Home / 10,995.89-15,173.96-6,516.98

Finding the Fourth Proportional to 10,995.89, 15,173.96 and 6,516.98

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Solution

The fourth proportional to 10,995.89, 15,173.96 and 6,516.98 is: 8,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.89 : 15,173.96 = 6,516.98 : x
  2. Step 2: Convert to fraction form
    10,995.89/15,173.96 = 6,516.98/x
  3. Step 3: Cross multiply
    10,995.89x = 15,173.96 × 6,516.98
  4. Step 4: Simplify right side
    10,995.89x = 98,888,393.84
  5. Step 5: Solve for x
    x = 98,888,393.84/10,995.89
  6. Step 6: Final answer
    x = 8,993.21

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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.