Home / 13,276.90-19,915.11-4,042.90

Finding the Fourth Proportional to 13,276.90, 19,915.11 and 4,042.90

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Solution

The fourth proportional to 13,276.90, 19,915.11 and 4,042.90 is: 6,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.90 : 19,915.11 = 4,042.90 : x
  2. Step 2: Convert to fraction form
    13,276.90/19,915.11 = 4,042.90/x
  3. Step 3: Cross multiply
    13,276.90x = 19,915.11 × 4,042.90
  4. Step 4: Simplify right side
    13,276.90x = 80,514,798.22
  5. Step 5: Solve for x
    x = 80,514,798.22/13,276.90
  6. Step 6: Final answer
    x = 6,064.28

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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.