Home / 14,694.76-20,285.40-9,396.72

Finding the Fourth Proportional to 14,694.76, 20,285.40 and 9,396.72

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Solution

The fourth proportional to 14,694.76, 20,285.40 and 9,396.72 is: 12,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.76 : 20,285.40 = 9,396.72 : x
  2. Step 2: Convert to fraction form
    14,694.76/20,285.40 = 9,396.72/x
  3. Step 3: Cross multiply
    14,694.76x = 20,285.40 × 9,396.72
  4. Step 4: Simplify right side
    14,694.76x = 190,616,223.89
  5. Step 5: Solve for x
    x = 190,616,223.89/14,694.76
  6. Step 6: Final answer
    x = 12,971.71

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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.