Home / 18,850.08-28,272.96-5,000.16

Finding the Fourth Proportional to 18,850.08, 28,272.96 and 5,000.16

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Solution

The fourth proportional to 18,850.08, 28,272.96 and 5,000.16 is: 7,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.08 : 28,272.96 = 5,000.16 : x
  2. Step 2: Convert to fraction form
    18,850.08/28,272.96 = 5,000.16/x
  3. Step 3: Cross multiply
    18,850.08x = 28,272.96 × 5,000.16
  4. Step 4: Simplify right side
    18,850.08x = 141,369,323.67
  5. Step 5: Solve for x
    x = 141,369,323.67/18,850.08
  6. Step 6: Final answer
    x = 7,499.67

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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.