Home / 13,018.54-17,952.16-11,136.35

Finding the Fourth Proportional to 13,018.54, 17,952.16 and 11,136.35

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Solution

The fourth proportional to 13,018.54, 17,952.16 and 11,136.35 is: 15,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.54 : 17,952.16 = 11,136.35 : x
  2. Step 2: Convert to fraction form
    13,018.54/17,952.16 = 11,136.35/x
  3. Step 3: Cross multiply
    13,018.54x = 17,952.16 × 11,136.35
  4. Step 4: Simplify right side
    13,018.54x = 199,921,537.02
  5. Step 5: Solve for x
    x = 199,921,537.02/13,018.54
  6. Step 6: Final answer
    x = 15,356.68

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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.