Home / 14,090.28-19,436.42-8,349.40

Finding the Fourth Proportional to 14,090.28, 19,436.42 and 8,349.40

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Solution

The fourth proportional to 14,090.28, 19,436.42 and 8,349.40 is: 11,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.28 : 19,436.42 = 8,349.40 : x
  2. Step 2: Convert to fraction form
    14,090.28/19,436.42 = 8,349.40/x
  3. Step 3: Cross multiply
    14,090.28x = 19,436.42 × 8,349.40
  4. Step 4: Simplify right side
    14,090.28x = 162,282,445.15
  5. Step 5: Solve for x
    x = 162,282,445.15/14,090.28
  6. Step 6: Final answer
    x = 11,517.33

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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.