Home / 12,384.09-18,577.44-5,364.82

Finding the Fourth Proportional to 12,384.09, 18,577.44 and 5,364.82

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Solution

The fourth proportional to 12,384.09, 18,577.44 and 5,364.82 is: 8,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.09 : 18,577.44 = 5,364.82 : x
  2. Step 2: Convert to fraction form
    12,384.09/18,577.44 = 5,364.82/x
  3. Step 3: Cross multiply
    12,384.09x = 18,577.44 × 5,364.82
  4. Step 4: Simplify right side
    12,384.09x = 99,664,621.66
  5. Step 5: Solve for x
    x = 99,664,621.66/12,384.09
  6. Step 6: Final answer
    x = 8,047.80

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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.