Home / 13,866.82-19,136.13-7,579.19

Finding the Fourth Proportional to 13,866.82, 19,136.13 and 7,579.19

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Solution

The fourth proportional to 13,866.82, 19,136.13 and 7,579.19 is: 10,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.82 : 19,136.13 = 7,579.19 : x
  2. Step 2: Convert to fraction form
    13,866.82/19,136.13 = 7,579.19/x
  3. Step 3: Cross multiply
    13,866.82x = 19,136.13 × 7,579.19
  4. Step 4: Simplify right side
    13,866.82x = 145,036,365.13
  5. Step 5: Solve for x
    x = 145,036,365.13/13,866.82
  6. Step 6: Final answer
    x = 10,459.24

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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.