Home / 13,801.26-19,045.78-7,513.68

Finding the Fourth Proportional to 13,801.26, 19,045.78 and 7,513.68

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Solution

The fourth proportional to 13,801.26, 19,045.78 and 7,513.68 is: 10,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.26 : 19,045.78 = 7,513.68 : x
  2. Step 2: Convert to fraction form
    13,801.26/19,045.78 = 7,513.68/x
  3. Step 3: Cross multiply
    13,801.26x = 19,045.78 × 7,513.68
  4. Step 4: Simplify right side
    13,801.26x = 143,103,896.27
  5. Step 5: Solve for x
    x = 143,103,896.27/13,801.26
  6. Step 6: Final answer
    x = 10,368.90

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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.