Home / 11,441.03-15,788.52-6,405.23

Finding the Fourth Proportional to 11,441.03, 15,788.52 and 6,405.23

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Solution

The fourth proportional to 11,441.03, 15,788.52 and 6,405.23 is: 8,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.03 : 15,788.52 = 6,405.23 : x
  2. Step 2: Convert to fraction form
    11,441.03/15,788.52 = 6,405.23/x
  3. Step 3: Cross multiply
    11,441.03x = 15,788.52 × 6,405.23
  4. Step 4: Simplify right side
    11,441.03x = 101,129,023.02
  5. Step 5: Solve for x
    x = 101,129,023.02/11,441.03
  6. Step 6: Final answer
    x = 8,839.16

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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.