Home / 13,094.98-18,070.82-7,126.78

Finding the Fourth Proportional to 13,094.98, 18,070.82 and 7,126.78

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Solution

The fourth proportional to 13,094.98, 18,070.82 and 7,126.78 is: 9,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.98 : 18,070.82 = 7,126.78 : x
  2. Step 2: Convert to fraction form
    13,094.98/18,070.82 = 7,126.78/x
  3. Step 3: Cross multiply
    13,094.98x = 18,070.82 × 7,126.78
  4. Step 4: Simplify right side
    13,094.98x = 128,786,758.56
  5. Step 5: Solve for x
    x = 128,786,758.56/13,094.98
  6. Step 6: Final answer
    x = 9,834.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.