Home / 9,015.30-13,513.37-5,319.27

Finding the Fourth Proportional to 9,015.30, 13,513.37 and 5,319.27

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Solution

The fourth proportional to 9,015.30, 13,513.37 and 5,319.27 is: 7,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.30 : 13,513.37 = 5,319.27 : x
  2. Step 2: Convert to fraction form
    9,015.30/13,513.37 = 5,319.27/x
  3. Step 3: Cross multiply
    9,015.30x = 13,513.37 × 5,319.27
  4. Step 4: Simplify right side
    9,015.30x = 71,881,237.04
  5. Step 5: Solve for x
    x = 71,881,237.04/9,015.30
  6. Step 6: Final answer
    x = 7,973.25

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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.