Home / 13,204.72-18,222.36-7,154.84

Finding the Fourth Proportional to 13,204.72, 18,222.36 and 7,154.84

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Solution

The fourth proportional to 13,204.72, 18,222.36 and 7,154.84 is: 9,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.72 : 18,222.36 = 7,154.84 : x
  2. Step 2: Convert to fraction form
    13,204.72/18,222.36 = 7,154.84/x
  3. Step 3: Cross multiply
    13,204.72x = 18,222.36 × 7,154.84
  4. Step 4: Simplify right side
    13,204.72x = 130,378,070.22
  5. Step 5: Solve for x
    x = 130,378,070.22/13,204.72
  6. Step 6: Final answer
    x = 9,873.60

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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.