Home / 12,130.26-16,738.85-6,824.06

Finding the Fourth Proportional to 12,130.26, 16,738.85 and 6,824.06

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Solution

The fourth proportional to 12,130.26, 16,738.85 and 6,824.06 is: 9,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.26 : 16,738.85 = 6,824.06 : x
  2. Step 2: Convert to fraction form
    12,130.26/16,738.85 = 6,824.06/x
  3. Step 3: Cross multiply
    12,130.26x = 16,738.85 × 6,824.06
  4. Step 4: Simplify right side
    12,130.26x = 114,226,798.92
  5. Step 5: Solve for x
    x = 114,226,798.92/12,130.26
  6. Step 6: Final answer
    x = 9,416.68

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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.