Home / 13,733-18,951.58-7,445.40

Finding the Fourth Proportional to 13,733, 18,951.58 and 7,445.40

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Solution

The fourth proportional to 13,733, 18,951.58 and 7,445.40 is: 10,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733 : 18,951.58 = 7,445.40 : x
  2. Step 2: Convert to fraction form
    13,733/18,951.58 = 7,445.40/x
  3. Step 3: Cross multiply
    13,733x = 18,951.58 × 7,445.40
  4. Step 4: Simplify right side
    13,733x = 141,102,093.73
  5. Step 5: Solve for x
    x = 141,102,093.73/13,733
  6. Step 6: Final answer
    x = 10,274.67

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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.