Home / 13,114.99-19,680.69-5,323.80

Finding the Fourth Proportional to 13,114.99, 19,680.69 and 5,323.80

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Solution

The fourth proportional to 13,114.99, 19,680.69 and 5,323.80 is: 7,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.99 : 19,680.69 = 5,323.80 : x
  2. Step 2: Convert to fraction form
    13,114.99/19,680.69 = 5,323.80/x
  3. Step 3: Cross multiply
    13,114.99x = 19,680.69 × 5,323.80
  4. Step 4: Simplify right side
    13,114.99x = 104,776,057.42
  5. Step 5: Solve for x
    x = 104,776,057.42/13,114.99
  6. Step 6: Final answer
    x = 7,989.03

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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.