Home / 13,113.22-19,654.21-7,555.05

Finding the Fourth Proportional to 13,113.22, 19,654.21 and 7,555.05

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Solution

The fourth proportional to 13,113.22, 19,654.21 and 7,555.05 is: 11,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.22 : 19,654.21 = 7,555.05 : x
  2. Step 2: Convert to fraction form
    13,113.22/19,654.21 = 7,555.05/x
  3. Step 3: Cross multiply
    13,113.22x = 19,654.21 × 7,555.05
  4. Step 4: Simplify right side
    13,113.22x = 148,488,539.26
  5. Step 5: Solve for x
    x = 148,488,539.26/13,113.22
  6. Step 6: Final answer
    x = 11,323.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.