Home / 13,275.16-19,912.08-4,954.54

Finding the Fourth Proportional to 13,275.16, 19,912.08 and 4,954.54

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Solution

The fourth proportional to 13,275.16, 19,912.08 and 4,954.54 is: 7,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.16 : 19,912.08 = 4,954.54 : x
  2. Step 2: Convert to fraction form
    13,275.16/19,912.08 = 4,954.54/x
  3. Step 3: Cross multiply
    13,275.16x = 19,912.08 × 4,954.54
  4. Step 4: Simplify right side
    13,275.16x = 98,655,196.84
  5. Step 5: Solve for x
    x = 98,655,196.84/13,275.16
  6. Step 6: Final answer
    x = 7,431.56

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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.