Home / 10,008.53-13,811.70-5,532.20

Finding the Fourth Proportional to 10,008.53, 13,811.70 and 5,532.20

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Solution

The fourth proportional to 10,008.53, 13,811.70 and 5,532.20 is: 7,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.53 : 13,811.70 = 5,532.20 : x
  2. Step 2: Convert to fraction form
    10,008.53/13,811.70 = 5,532.20/x
  3. Step 3: Cross multiply
    10,008.53x = 13,811.70 × 5,532.20
  4. Step 4: Simplify right side
    10,008.53x = 76,409,059.10
  5. Step 5: Solve for x
    x = 76,409,059.10/10,008.53
  6. Step 6: Final answer
    x = 7,634.39

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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.