Home / 13,449.84-20,156.22-6,862.26

Finding the Fourth Proportional to 13,449.84, 20,156.22 and 6,862.26

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Solution

The fourth proportional to 13,449.84, 20,156.22 and 6,862.26 is: 10,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.84 : 20,156.22 = 6,862.26 : x
  2. Step 2: Convert to fraction form
    13,449.84/20,156.22 = 6,862.26/x
  3. Step 3: Cross multiply
    13,449.84x = 20,156.22 × 6,862.26
  4. Step 4: Simplify right side
    13,449.84x = 138,317,222.26
  5. Step 5: Solve for x
    x = 138,317,222.26/13,449.84
  6. Step 6: Final answer
    x = 10,283.93

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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.