Home / 13,010.52-19,516.58-5,218.32

Finding the Fourth Proportional to 13,010.52, 19,516.58 and 5,218.32

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Solution

The fourth proportional to 13,010.52, 19,516.58 and 5,218.32 is: 7,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.52 : 19,516.58 = 5,218.32 : x
  2. Step 2: Convert to fraction form
    13,010.52/19,516.58 = 5,218.32/x
  3. Step 3: Cross multiply
    13,010.52x = 19,516.58 × 5,218.32
  4. Step 4: Simplify right side
    13,010.52x = 101,843,759.75
  5. Step 5: Solve for x
    x = 101,843,759.75/13,010.52
  6. Step 6: Final answer
    x = 7,827.80

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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.