Home / 14,960.40-20,645.50-8,246.29

Finding the Fourth Proportional to 14,960.40, 20,645.50 and 8,246.29

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Solution

The fourth proportional to 14,960.40, 20,645.50 and 8,246.29 is: 11,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.40 : 20,645.50 = 8,246.29 : x
  2. Step 2: Convert to fraction form
    14,960.40/20,645.50 = 8,246.29/x
  3. Step 3: Cross multiply
    14,960.40x = 20,645.50 × 8,246.29
  4. Step 4: Simplify right side
    14,960.40x = 170,248,780.20
  5. Step 5: Solve for x
    x = 170,248,780.20/14,960.40
  6. Step 6: Final answer
    x = 11,379.96

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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.