Home / 13,966.30-20,946.51-4,102.90

Finding the Fourth Proportional to 13,966.30, 20,946.51 and 4,102.90

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Solution

The fourth proportional to 13,966.30, 20,946.51 and 4,102.90 is: 6,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.30 : 20,946.51 = 4,102.90 : x
  2. Step 2: Convert to fraction form
    13,966.30/20,946.51 = 4,102.90/x
  3. Step 3: Cross multiply
    13,966.30x = 20,946.51 × 4,102.90
  4. Step 4: Simplify right side
    13,966.30x = 85,941,435.88
  5. Step 5: Solve for x
    x = 85,941,435.88/13,966.30
  6. Step 6: Final answer
    x = 6,153.49

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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.