Home / 9,430.72-13,014.16-5,238.98

Finding the Fourth Proportional to 9,430.72, 13,014.16 and 5,238.98

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Solution

The fourth proportional to 9,430.72, 13,014.16 and 5,238.98 is: 7,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.72 : 13,014.16 = 5,238.98 : x
  2. Step 2: Convert to fraction form
    9,430.72/13,014.16 = 5,238.98/x
  3. Step 3: Cross multiply
    9,430.72x = 13,014.16 × 5,238.98
  4. Step 4: Simplify right side
    9,430.72x = 68,180,923.96
  5. Step 5: Solve for x
    x = 68,180,923.96/9,430.72
  6. Step 6: Final answer
    x = 7,229.66

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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.