Home / 19,103.40-28,676.70-14,740.20

Finding the Fourth Proportional to 19,103.40, 28,676.70 and 14,740.20

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Solution

The fourth proportional to 19,103.40, 28,676.70 and 14,740.20 is: 22,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.40 : 28,676.70 = 14,740.20 : x
  2. Step 2: Convert to fraction form
    19,103.40/28,676.70 = 14,740.20/x
  3. Step 3: Cross multiply
    19,103.40x = 28,676.70 × 14,740.20
  4. Step 4: Simplify right side
    19,103.40x = 422,700,293.34
  5. Step 5: Solve for x
    x = 422,700,293.34/19,103.40
  6. Step 6: Final answer
    x = 22,126.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.