Home / 13,279.58-19,922.28-4,397.67

Finding the Fourth Proportional to 13,279.58, 19,922.28 and 4,397.67

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Solution

The fourth proportional to 13,279.58, 19,922.28 and 4,397.67 is: 6,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.58 : 19,922.28 = 4,397.67 : x
  2. Step 2: Convert to fraction form
    13,279.58/19,922.28 = 4,397.67/x
  3. Step 3: Cross multiply
    13,279.58x = 19,922.28 × 4,397.67
  4. Step 4: Simplify right side
    13,279.58x = 87,611,613.09
  5. Step 5: Solve for x
    x = 87,611,613.09/13,279.58
  6. Step 6: Final answer
    x = 6,597.47

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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.