Home / 9,520.04-13,138.26-5,328.60

Finding the Fourth Proportional to 9,520.04, 13,138.26 and 5,328.60

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Solution

The fourth proportional to 9,520.04, 13,138.26 and 5,328.60 is: 7,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.04 : 13,138.26 = 5,328.60 : x
  2. Step 2: Convert to fraction form
    9,520.04/13,138.26 = 5,328.60/x
  3. Step 3: Cross multiply
    9,520.04x = 13,138.26 × 5,328.60
  4. Step 4: Simplify right side
    9,520.04x = 70,008,532.24
  5. Step 5: Solve for x
    x = 70,008,532.24/9,520.04
  6. Step 6: Final answer
    x = 7,353.81

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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.