Home / 8,997.53-12,418.80-6,131.00

Finding the Fourth Proportional to 8,997.53, 12,418.80 and 6,131.00

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Solution

The fourth proportional to 8,997.53, 12,418.80 and 6,131.00 is: 8,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.53 : 12,418.80 = 6,131.00 : x
  2. Step 2: Convert to fraction form
    8,997.53/12,418.80 = 6,131.00/x
  3. Step 3: Cross multiply
    8,997.53x = 12,418.80 × 6,131.00
  4. Step 4: Simplify right side
    8,997.53x = 76,139,600.71
  5. Step 5: Solve for x
    x = 76,139,600.71/8,997.53
  6. Step 6: Final answer
    x = 8,462.28

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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.