Home / 13,042.88-19,520.57-10,702.79

Finding the Fourth Proportional to 13,042.88, 19,520.57 and 10,702.79

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Solution

The fourth proportional to 13,042.88, 19,520.57 and 10,702.79 is: 16,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.88 : 19,520.57 = 10,702.79 : x
  2. Step 2: Convert to fraction form
    13,042.88/19,520.57 = 10,702.79/x
  3. Step 3: Cross multiply
    13,042.88x = 19,520.57 × 10,702.79
  4. Step 4: Simplify right side
    13,042.88x = 208,924,410.27
  5. Step 5: Solve for x
    x = 208,924,410.27/13,042.88
  6. Step 6: Final answer
    x = 16,018.28

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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.