Home / 13,137.04-19,713.42-5,238.16

Finding the Fourth Proportional to 13,137.04, 19,713.42 and 5,238.16

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Solution

The fourth proportional to 13,137.04, 19,713.42 and 5,238.16 is: 7,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.04 : 19,713.42 = 5,238.16 : x
  2. Step 2: Convert to fraction form
    13,137.04/19,713.42 = 5,238.16/x
  3. Step 3: Cross multiply
    13,137.04x = 19,713.42 × 5,238.16
  4. Step 4: Simplify right side
    13,137.04x = 103,262,048.11
  5. Step 5: Solve for x
    x = 103,262,048.11/13,137.04
  6. Step 6: Final answer
    x = 7,860.37

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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.