Home / 19,946.88-29,885.04-18,761.67

Finding the Fourth Proportional to 19,946.88, 29,885.04 and 18,761.67

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Solution

The fourth proportional to 19,946.88, 29,885.04 and 18,761.67 is: 28,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.88 : 29,885.04 = 18,761.67 : x
  2. Step 2: Convert to fraction form
    19,946.88/29,885.04 = 18,761.67/x
  3. Step 3: Cross multiply
    19,946.88x = 29,885.04 × 18,761.67
  4. Step 4: Simplify right side
    19,946.88x = 560,693,258.42
  5. Step 5: Solve for x
    x = 560,693,258.42/19,946.88
  6. Step 6: Final answer
    x = 28,109.32

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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.