Home / 13,302.90-19,957.26-5,511.78

Finding the Fourth Proportional to 13,302.90, 19,957.26 and 5,511.78

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Solution

The fourth proportional to 13,302.90, 19,957.26 and 5,511.78 is: 8,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.90 : 19,957.26 = 5,511.78 : x
  2. Step 2: Convert to fraction form
    13,302.90/19,957.26 = 5,511.78/x
  3. Step 3: Cross multiply
    13,302.90x = 19,957.26 × 5,511.78
  4. Step 4: Simplify right side
    13,302.90x = 110,000,026.52
  5. Step 5: Solve for x
    x = 110,000,026.52/13,302.90
  6. Step 6: Final answer
    x = 8,268.88

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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.