Home / 13,184.80-19,795.20-8,533.60

Finding the Fourth Proportional to 13,184.80, 19,795.20 and 8,533.60

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Solution

The fourth proportional to 13,184.80, 19,795.20 and 8,533.60 is: 12,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.80 : 19,795.20 = 8,533.60 : x
  2. Step 2: Convert to fraction form
    13,184.80/19,795.20 = 8,533.60/x
  3. Step 3: Cross multiply
    13,184.80x = 19,795.20 × 8,533.60
  4. Step 4: Simplify right side
    13,184.80x = 168,924,318.72
  5. Step 5: Solve for x
    x = 168,924,318.72/13,184.80
  6. Step 6: Final answer
    x = 12,812.05

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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.