Home / 13,223.48-19,828.24-6,986.84

Finding the Fourth Proportional to 13,223.48, 19,828.24 and 6,986.84

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Solution

The fourth proportional to 13,223.48, 19,828.24 and 6,986.84 is: 10,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.48 : 19,828.24 = 6,986.84 : x
  2. Step 2: Convert to fraction form
    13,223.48/19,828.24 = 6,986.84/x
  3. Step 3: Cross multiply
    13,223.48x = 19,828.24 × 6,986.84
  4. Step 4: Simplify right side
    13,223.48x = 138,536,740.36
  5. Step 5: Solve for x
    x = 138,536,740.36/13,223.48
  6. Step 6: Final answer
    x = 10,476.57

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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.