Home / 12,435.16-18,655.90-4,644.04

Finding the Fourth Proportional to 12,435.16, 18,655.90 and 4,644.04

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Solution

The fourth proportional to 12,435.16, 18,655.90 and 4,644.04 is: 6,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.16 : 18,655.90 = 4,644.04 : x
  2. Step 2: Convert to fraction form
    12,435.16/18,655.90 = 4,644.04/x
  3. Step 3: Cross multiply
    12,435.16x = 18,655.90 × 4,644.04
  4. Step 4: Simplify right side
    12,435.16x = 86,638,745.84
  5. Step 5: Solve for x
    x = 86,638,745.84/12,435.16
  6. Step 6: Final answer
    x = 6,967.24

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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.