Home / 15,369.35-21,213.02-9,082.67

Finding the Fourth Proportional to 15,369.35, 21,213.02 and 9,082.67

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Solution

The fourth proportional to 15,369.35, 21,213.02 and 9,082.67 is: 12,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.35 : 21,213.02 = 9,082.67 : x
  2. Step 2: Convert to fraction form
    15,369.35/21,213.02 = 9,082.67/x
  3. Step 3: Cross multiply
    15,369.35x = 21,213.02 × 9,082.67
  4. Step 4: Simplify right side
    15,369.35x = 192,670,777.00
  5. Step 5: Solve for x
    x = 192,670,777.00/15,369.35
  6. Step 6: Final answer
    x = 12,536.04

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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.