Home / 9,430.29-13,015.76-5,450.85

Finding the Fourth Proportional to 9,430.29, 13,015.76 and 5,450.85

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Solution

The fourth proportional to 9,430.29, 13,015.76 and 5,450.85 is: 7,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.29 : 13,015.76 = 5,450.85 : x
  2. Step 2: Convert to fraction form
    9,430.29/13,015.76 = 5,450.85/x
  3. Step 3: Cross multiply
    9,430.29x = 13,015.76 × 5,450.85
  4. Step 4: Simplify right side
    9,430.29x = 70,946,928.14
  5. Step 5: Solve for x
    x = 70,946,928.14/9,430.29
  6. Step 6: Final answer
    x = 7,523.30

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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.