Home / 9,430.19-13,012.21-5,450.53

Finding the Fourth Proportional to 9,430.19, 13,012.21 and 5,450.53

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Solution

The fourth proportional to 9,430.19, 13,012.21 and 5,450.53 is: 7,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.19 : 13,012.21 = 5,450.53 : x
  2. Step 2: Convert to fraction form
    9,430.19/13,012.21 = 5,450.53/x
  3. Step 3: Cross multiply
    9,430.19x = 13,012.21 × 5,450.53
  4. Step 4: Simplify right side
    9,430.19x = 70,923,440.97
  5. Step 5: Solve for x
    x = 70,923,440.97/9,430.19
  6. Step 6: Final answer
    x = 7,520.90

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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.