Home / 12,841.56-19,268.45-8,898.89

Finding the Fourth Proportional to 12,841.56, 19,268.45 and 8,898.89

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Solution

The fourth proportional to 12,841.56, 19,268.45 and 8,898.89 is: 13,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.56 : 19,268.45 = 8,898.89 : x
  2. Step 2: Convert to fraction form
    12,841.56/19,268.45 = 8,898.89/x
  3. Step 3: Cross multiply
    12,841.56x = 19,268.45 × 8,898.89
  4. Step 4: Simplify right side
    12,841.56x = 171,467,817.02
  5. Step 5: Solve for x
    x = 171,467,817.02/12,841.56
  6. Step 6: Final answer
    x = 13,352.57

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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.