Home / 13,218.08-19,826.16-4,896.56

Finding the Fourth Proportional to 13,218.08, 19,826.16 and 4,896.56

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Solution

The fourth proportional to 13,218.08, 19,826.16 and 4,896.56 is: 7,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.08 : 19,826.16 = 4,896.56 : x
  2. Step 2: Convert to fraction form
    13,218.08/19,826.16 = 4,896.56/x
  3. Step 3: Cross multiply
    13,218.08x = 19,826.16 × 4,896.56
  4. Step 4: Simplify right side
    13,218.08x = 97,079,982.01
  5. Step 5: Solve for x
    x = 97,079,982.01/13,218.08
  6. Step 6: Final answer
    x = 7,344.48

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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.