Home / 13,314.36-19,968.10-3,952.16

Finding the Fourth Proportional to 13,314.36, 19,968.10 and 3,952.16

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Solution

The fourth proportional to 13,314.36, 19,968.10 and 3,952.16 is: 5,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.36 : 19,968.10 = 3,952.16 : x
  2. Step 2: Convert to fraction form
    13,314.36/19,968.10 = 3,952.16/x
  3. Step 3: Cross multiply
    13,314.36x = 19,968.10 × 3,952.16
  4. Step 4: Simplify right side
    13,314.36x = 78,917,126.10
  5. Step 5: Solve for x
    x = 78,917,126.10/13,314.36
  6. Step 6: Final answer
    x = 5,927.22

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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.