Home / 14,090.28-19,443.24-8,423.90

Finding the Fourth Proportional to 14,090.28, 19,443.24 and 8,423.90

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Solution

The fourth proportional to 14,090.28, 19,443.24 and 8,423.90 is: 11,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.28 : 19,443.24 = 8,423.90 : x
  2. Step 2: Convert to fraction form
    14,090.28/19,443.24 = 8,423.90/x
  3. Step 3: Cross multiply
    14,090.28x = 19,443.24 × 8,423.90
  4. Step 4: Simplify right side
    14,090.28x = 163,787,958.04
  5. Step 5: Solve for x
    x = 163,787,958.04/14,090.28
  6. Step 6: Final answer
    x = 11,624.18

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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.