Home / 11,440.22-15,779.36-10,499.05

Finding the Fourth Proportional to 11,440.22, 15,779.36 and 10,499.05

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Solution

The fourth proportional to 11,440.22, 15,779.36 and 10,499.05 is: 14,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.22 : 15,779.36 = 10,499.05 : x
  2. Step 2: Convert to fraction form
    11,440.22/15,779.36 = 10,499.05/x
  3. Step 3: Cross multiply
    11,440.22x = 15,779.36 × 10,499.05
  4. Step 4: Simplify right side
    11,440.22x = 165,668,158.22
  5. Step 5: Solve for x
    x = 165,668,158.22/11,440.22
  6. Step 6: Final answer
    x = 14,481.21

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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.