Home / 12,827.80-19,245.30-6,254.20

Finding the Fourth Proportional to 12,827.80, 19,245.30 and 6,254.20

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Solution

The fourth proportional to 12,827.80, 19,245.30 and 6,254.20 is: 9,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.80 : 19,245.30 = 6,254.20 : x
  2. Step 2: Convert to fraction form
    12,827.80/19,245.30 = 6,254.20/x
  3. Step 3: Cross multiply
    12,827.80x = 19,245.30 × 6,254.20
  4. Step 4: Simplify right side
    12,827.80x = 120,363,955.26
  5. Step 5: Solve for x
    x = 120,363,955.26/12,827.80
  6. Step 6: Final answer
    x = 9,383.06

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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.