Home / 12,381.58-18,576.02-4,588.57

Finding the Fourth Proportional to 12,381.58, 18,576.02 and 4,588.57

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Solution

The fourth proportional to 12,381.58, 18,576.02 and 4,588.57 is: 6,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381.58 : 18,576.02 = 4,588.57 : x
  2. Step 2: Convert to fraction form
    12,381.58/18,576.02 = 4,588.57/x
  3. Step 3: Cross multiply
    12,381.58x = 18,576.02 × 4,588.57
  4. Step 4: Simplify right side
    12,381.58x = 85,237,368.09
  5. Step 5: Solve for x
    x = 85,237,368.09/12,381.58
  6. Step 6: Final answer
    x = 6,884.21

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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.