Home / 9,021.62-13,532.12-4,087.81

Finding the Fourth Proportional to 9,021.62, 13,532.12 and 4,087.81

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Solution

The fourth proportional to 9,021.62, 13,532.12 and 4,087.81 is: 6,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.62 : 13,532.12 = 4,087.81 : x
  2. Step 2: Convert to fraction form
    9,021.62/13,532.12 = 4,087.81/x
  3. Step 3: Cross multiply
    9,021.62x = 13,532.12 × 4,087.81
  4. Step 4: Simplify right side
    9,021.62x = 55,316,681.19
  5. Step 5: Solve for x
    x = 55,316,681.19/9,021.62
  6. Step 6: Final answer
    x = 6,131.57

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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.