Home / 12,950.08-17,872.32-8,984.32

Finding the Fourth Proportional to 12,950.08, 17,872.32 and 8,984.32

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Solution

The fourth proportional to 12,950.08, 17,872.32 and 8,984.32 is: 12,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.08 : 17,872.32 = 8,984.32 : x
  2. Step 2: Convert to fraction form
    12,950.08/17,872.32 = 8,984.32/x
  3. Step 3: Cross multiply
    12,950.08x = 17,872.32 × 8,984.32
  4. Step 4: Simplify right side
    12,950.08x = 160,570,642.02
  5. Step 5: Solve for x
    x = 160,570,642.02/12,950.08
  6. Step 6: Final answer
    x = 12,399.20

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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.