Home / 12,625.64-18,935.74-4,727.84

Finding the Fourth Proportional to 12,625.64, 18,935.74 and 4,727.84

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Solution

The fourth proportional to 12,625.64, 18,935.74 and 4,727.84 is: 7,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.64 : 18,935.74 = 4,727.84 : x
  2. Step 2: Convert to fraction form
    12,625.64/18,935.74 = 4,727.84/x
  3. Step 3: Cross multiply
    12,625.64x = 18,935.74 × 4,727.84
  4. Step 4: Simplify right side
    12,625.64x = 89,525,149.00
  5. Step 5: Solve for x
    x = 89,525,149.00/12,625.64
  6. Step 6: Final answer
    x = 7,090.74

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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.