Home / 12,316.66-16,968.99-11,485.60

Finding the Fourth Proportional to 12,316.66, 16,968.99 and 11,485.60

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Solution

The fourth proportional to 12,316.66, 16,968.99 and 11,485.60 is: 15,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.66 : 16,968.99 = 11,485.60 : x
  2. Step 2: Convert to fraction form
    12,316.66/16,968.99 = 11,485.60/x
  3. Step 3: Cross multiply
    12,316.66x = 16,968.99 × 11,485.60
  4. Step 4: Simplify right side
    12,316.66x = 194,899,032.19
  5. Step 5: Solve for x
    x = 194,899,032.19/12,316.66
  6. Step 6: Final answer
    x = 15,824.02

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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.