Home / 9,428.36-13,012.18-5,450.76

Finding the Fourth Proportional to 9,428.36, 13,012.18 and 5,450.76

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Solution

The fourth proportional to 9,428.36, 13,012.18 and 5,450.76 is: 7,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.36 : 13,012.18 = 5,450.76 : x
  2. Step 2: Convert to fraction form
    9,428.36/13,012.18 = 5,450.76/x
  3. Step 3: Cross multiply
    9,428.36x = 13,012.18 × 5,450.76
  4. Step 4: Simplify right side
    9,428.36x = 70,926,270.26
  5. Step 5: Solve for x
    x = 70,926,270.26/9,428.36
  6. Step 6: Final answer
    x = 7,522.65

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Double scale
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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.