Home / 12,790.08-17,653.68-8,607.24

Finding the Fourth Proportional to 12,790.08, 17,653.68 and 8,607.24

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Solution

The fourth proportional to 12,790.08, 17,653.68 and 8,607.24 is: 11,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.08 : 17,653.68 = 8,607.24 : x
  2. Step 2: Convert to fraction form
    12,790.08/17,653.68 = 8,607.24/x
  3. Step 3: Cross multiply
    12,790.08x = 17,653.68 × 8,607.24
  4. Step 4: Simplify right side
    12,790.08x = 151,949,460.64
  5. Step 5: Solve for x
    x = 151,949,460.64/12,790.08
  6. Step 6: Final answer
    x = 11,880.26

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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.