Home / 9,015.89-13,522.47-3,171.13

Finding the Fourth Proportional to 9,015.89, 13,522.47 and 3,171.13

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Solution

The fourth proportional to 9,015.89, 13,522.47 and 3,171.13 is: 4,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.89 : 13,522.47 = 3,171.13 : x
  2. Step 2: Convert to fraction form
    9,015.89/13,522.47 = 3,171.13/x
  3. Step 3: Cross multiply
    9,015.89x = 13,522.47 × 3,171.13
  4. Step 4: Simplify right side
    9,015.89x = 42,881,536.17
  5. Step 5: Solve for x
    x = 42,881,536.17/9,015.89
  6. Step 6: Final answer
    x = 4,756.22

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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.