Home / 18,394.40-25,383.52-10,436.45

Finding the Fourth Proportional to 18,394.40, 25,383.52 and 10,436.45

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Solution

The fourth proportional to 18,394.40, 25,383.52 and 10,436.45 is: 14,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.40 : 25,383.52 = 10,436.45 : x
  2. Step 2: Convert to fraction form
    18,394.40/25,383.52 = 10,436.45/x
  3. Step 3: Cross multiply
    18,394.40x = 25,383.52 × 10,436.45
  4. Step 4: Simplify right side
    18,394.40x = 264,913,926.85
  5. Step 5: Solve for x
    x = 264,913,926.85/18,394.40
  6. Step 6: Final answer
    x = 14,401.88

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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.