Home / 9,015.55-13,513.74-5,319.52

Finding the Fourth Proportional to 9,015.55, 13,513.74 and 5,319.52

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Solution

The fourth proportional to 9,015.55, 13,513.74 and 5,319.52 is: 7,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.55 : 13,513.74 = 5,319.52 : x
  2. Step 2: Convert to fraction form
    9,015.55/13,513.74 = 5,319.52/x
  3. Step 3: Cross multiply
    9,015.55x = 13,513.74 × 5,319.52
  4. Step 4: Simplify right side
    9,015.55x = 71,886,610.20
  5. Step 5: Solve for x
    x = 71,886,610.20/9,015.55
  6. Step 6: Final answer
    x = 7,973.62

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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.