Home / 9,430.74-13,015.08-5,239.26

Finding the Fourth Proportional to 9,430.74, 13,015.08 and 5,239.26

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Solution

The fourth proportional to 9,430.74, 13,015.08 and 5,239.26 is: 7,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.74 : 13,015.08 = 5,239.26 : x
  2. Step 2: Convert to fraction form
    9,430.74/13,015.08 = 5,239.26/x
  3. Step 3: Cross multiply
    9,430.74x = 13,015.08 × 5,239.26
  4. Step 4: Simplify right side
    9,430.74x = 68,189,388.04
  5. Step 5: Solve for x
    x = 68,189,388.04/9,430.74
  6. Step 6: Final answer
    x = 7,230.54

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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.