Home / 13,915.24-20,874.81-4,055.24

Finding the Fourth Proportional to 13,915.24, 20,874.81 and 4,055.24

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Solution

The fourth proportional to 13,915.24, 20,874.81 and 4,055.24 is: 6,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.24 : 20,874.81 = 4,055.24 : x
  2. Step 2: Convert to fraction form
    13,915.24/20,874.81 = 4,055.24/x
  3. Step 3: Cross multiply
    13,915.24x = 20,874.81 × 4,055.24
  4. Step 4: Simplify right side
    13,915.24x = 84,652,364.50
  5. Step 5: Solve for x
    x = 84,652,364.50/13,915.24
  6. Step 6: Final answer
    x = 6,083.43

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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.