Home / 19,014.08-28,512.79-9,021.67

Finding the Fourth Proportional to 19,014.08, 28,512.79 and 9,021.67

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Solution

The fourth proportional to 19,014.08, 28,512.79 and 9,021.67 is: 13,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.08 : 28,512.79 = 9,021.67 : x
  2. Step 2: Convert to fraction form
    19,014.08/28,512.79 = 9,021.67/x
  3. Step 3: Cross multiply
    19,014.08x = 28,512.79 × 9,021.67
  4. Step 4: Simplify right side
    19,014.08x = 257,233,060.38
  5. Step 5: Solve for x
    x = 257,233,060.38/19,014.08
  6. Step 6: Final answer
    x = 13,528.56

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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.