Home / 10,043.04-13,859.36-5,627.04

Finding the Fourth Proportional to 10,043.04, 13,859.36 and 5,627.04

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Solution

The fourth proportional to 10,043.04, 13,859.36 and 5,627.04 is: 7,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.04 : 13,859.36 = 5,627.04 : x
  2. Step 2: Convert to fraction form
    10,043.04/13,859.36 = 5,627.04/x
  3. Step 3: Cross multiply
    10,043.04x = 13,859.36 × 5,627.04
  4. Step 4: Simplify right side
    10,043.04x = 77,987,173.09
  5. Step 5: Solve for x
    x = 77,987,173.09/10,043.04
  6. Step 6: Final answer
    x = 7,765.30

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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.