Home / 13,323.99-19,998.10-7,089.22

Finding the Fourth Proportional to 13,323.99, 19,998.10 and 7,089.22

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Solution

The fourth proportional to 13,323.99, 19,998.10 and 7,089.22 is: 10,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.99 : 19,998.10 = 7,089.22 : x
  2. Step 2: Convert to fraction form
    13,323.99/19,998.10 = 7,089.22/x
  3. Step 3: Cross multiply
    13,323.99x = 19,998.10 × 7,089.22
  4. Step 4: Simplify right side
    13,323.99x = 141,770,964.34
  5. Step 5: Solve for x
    x = 141,770,964.34/13,323.99
  6. Step 6: Final answer
    x = 10,640.28

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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.