Home / 14,394.68-19,864.60-8,427.48

Finding the Fourth Proportional to 14,394.68, 19,864.60 and 8,427.48

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Solution

The fourth proportional to 14,394.68, 19,864.60 and 8,427.48 is: 11,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.68 : 19,864.60 = 8,427.48 : x
  2. Step 2: Convert to fraction form
    14,394.68/19,864.60 = 8,427.48/x
  3. Step 3: Cross multiply
    14,394.68x = 19,864.60 × 8,427.48
  4. Step 4: Simplify right side
    14,394.68x = 167,408,519.21
  5. Step 5: Solve for x
    x = 167,408,519.21/14,394.68
  6. Step 6: Final answer
    x = 11,629.89

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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.