Home / 9,180.10-13,774.20-4,247.20

Finding the Fourth Proportional to 9,180.10, 13,774.20 and 4,247.20

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Solution

The fourth proportional to 9,180.10, 13,774.20 and 4,247.20 is: 6,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.10 : 13,774.20 = 4,247.20 : x
  2. Step 2: Convert to fraction form
    9,180.10/13,774.20 = 4,247.20/x
  3. Step 3: Cross multiply
    9,180.10x = 13,774.20 × 4,247.20
  4. Step 4: Simplify right side
    9,180.10x = 58,501,782.24
  5. Step 5: Solve for x
    x = 58,501,782.24/9,180.10
  6. Step 6: Final answer
    x = 6,372.67

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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.