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Finding the Fourth Proportional to 9,397.81, 14,103.54 and 7,570.99

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Solution

The fourth proportional to 9,397.81, 14,103.54 and 7,570.99 is: 11,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.81 : 14,103.54 = 7,570.99 : x
  2. Step 2: Convert to fraction form
    9,397.81/14,103.54 = 7,570.99/x
  3. Step 3: Cross multiply
    9,397.81x = 14,103.54 × 7,570.99
  4. Step 4: Simplify right side
    9,397.81x = 106,777,725.05
  5. Step 5: Solve for x
    x = 106,777,725.05/9,397.81
  6. Step 6: Final answer
    x = 11,361.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.