Home / 10,020.54-13,828.28-5,989.20

Finding the Fourth Proportional to 10,020.54, 13,828.28 and 5,989.20

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Solution

The fourth proportional to 10,020.54, 13,828.28 and 5,989.20 is: 8,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.54 : 13,828.28 = 5,989.20 : x
  2. Step 2: Convert to fraction form
    10,020.54/13,828.28 = 5,989.20/x
  3. Step 3: Cross multiply
    10,020.54x = 13,828.28 × 5,989.20
  4. Step 4: Simplify right side
    10,020.54x = 82,820,334.58
  5. Step 5: Solve for x
    x = 82,820,334.58/10,020.54
  6. Step 6: Final answer
    x = 8,265.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.