Home / 13,966.64-20,898.60-8,423.44

Finding the Fourth Proportional to 13,966.64, 20,898.60 and 8,423.44

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Solution

The fourth proportional to 13,966.64, 20,898.60 and 8,423.44 is: 12,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.64 : 20,898.60 = 8,423.44 : x
  2. Step 2: Convert to fraction form
    13,966.64/20,898.60 = 8,423.44/x
  3. Step 3: Cross multiply
    13,966.64x = 20,898.60 × 8,423.44
  4. Step 4: Simplify right side
    13,966.64x = 176,038,103.18
  5. Step 5: Solve for x
    x = 176,038,103.18/13,966.64
  6. Step 6: Final answer
    x = 12,604.18

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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.