Home / 12,193.03-18,281.35-5,615.63

Finding the Fourth Proportional to 12,193.03, 18,281.35 and 5,615.63

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Solution

The fourth proportional to 12,193.03, 18,281.35 and 5,615.63 is: 8,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.03 : 18,281.35 = 5,615.63 : x
  2. Step 2: Convert to fraction form
    12,193.03/18,281.35 = 5,615.63/x
  3. Step 3: Cross multiply
    12,193.03x = 18,281.35 × 5,615.63
  4. Step 4: Simplify right side
    12,193.03x = 102,661,250.08
  5. Step 5: Solve for x
    x = 102,661,250.08/12,193.03
  6. Step 6: Final answer
    x = 8,419.67

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Double scale
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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.