Home / 9,148.60-13,722.86-2,223.12

Finding the Fourth Proportional to 9,148.60, 13,722.86 and 2,223.12

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Solution

The fourth proportional to 9,148.60, 13,722.86 and 2,223.12 is: 3,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.60 : 13,722.86 = 2,223.12 : x
  2. Step 2: Convert to fraction form
    9,148.60/13,722.86 = 2,223.12/x
  3. Step 3: Cross multiply
    9,148.60x = 13,722.86 × 2,223.12
  4. Step 4: Simplify right side
    9,148.60x = 30,507,564.52
  5. Step 5: Solve for x
    x = 30,507,564.52/9,148.60
  6. Step 6: Final answer
    x = 3,334.67

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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.