Home / 13,272.60-19,880.10-10,968.60

Finding the Fourth Proportional to 13,272.60, 19,880.10 and 10,968.60

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Solution

The fourth proportional to 13,272.60, 19,880.10 and 10,968.60 is: 16,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.60 : 19,880.10 = 10,968.60 : x
  2. Step 2: Convert to fraction form
    13,272.60/19,880.10 = 10,968.60/x
  3. Step 3: Cross multiply
    13,272.60x = 19,880.10 × 10,968.60
  4. Step 4: Simplify right side
    13,272.60x = 218,056,864.86
  5. Step 5: Solve for x
    x = 218,056,864.86/13,272.60
  6. Step 6: Final answer
    x = 16,429.10

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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.