Home / 11,938.98-16,474.99-6,561.30

Finding the Fourth Proportional to 11,938.98, 16,474.99 and 6,561.30

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Solution

The fourth proportional to 11,938.98, 16,474.99 and 6,561.30 is: 9,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.98 : 16,474.99 = 6,561.30 : x
  2. Step 2: Convert to fraction form
    11,938.98/16,474.99 = 6,561.30/x
  3. Step 3: Cross multiply
    11,938.98x = 16,474.99 × 6,561.30
  4. Step 4: Simplify right side
    11,938.98x = 108,097,316.90
  5. Step 5: Solve for x
    x = 108,097,316.90/11,938.98
  6. Step 6: Final answer
    x = 9,054.15

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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.