Home / 14,423.67-19,903.86-8,135.64

Finding the Fourth Proportional to 14,423.67, 19,903.86 and 8,135.64

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Solution

The fourth proportional to 14,423.67, 19,903.86 and 8,135.64 is: 11,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.67 : 19,903.86 = 8,135.64 : x
  2. Step 2: Convert to fraction form
    14,423.67/19,903.86 = 8,135.64/x
  3. Step 3: Cross multiply
    14,423.67x = 19,903.86 × 8,135.64
  4. Step 4: Simplify right side
    14,423.67x = 161,930,639.57
  5. Step 5: Solve for x
    x = 161,930,639.57/14,423.67
  6. Step 6: Final answer
    x = 11,226.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.