Home / 9,528.98-13,136.19-6,687.54

Finding the Fourth Proportional to 9,528.98, 13,136.19 and 6,687.54

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Solution

The fourth proportional to 9,528.98, 13,136.19 and 6,687.54 is: 9,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.98 : 13,136.19 = 6,687.54 : x
  2. Step 2: Convert to fraction form
    9,528.98/13,136.19 = 6,687.54/x
  3. Step 3: Cross multiply
    9,528.98x = 13,136.19 × 6,687.54
  4. Step 4: Simplify right side
    9,528.98x = 87,848,796.07
  5. Step 5: Solve for x
    x = 87,848,796.07/9,528.98
  6. Step 6: Final answer
    x = 9,219.12

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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.