Home / 12,827.40-19,239.30-4,063.20

Finding the Fourth Proportional to 12,827.40, 19,239.30 and 4,063.20

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Solution

The fourth proportional to 12,827.40, 19,239.30 and 4,063.20 is: 6,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.40 : 19,239.30 = 4,063.20 : x
  2. Step 2: Convert to fraction form
    12,827.40/19,239.30 = 4,063.20/x
  3. Step 3: Cross multiply
    12,827.40x = 19,239.30 × 4,063.20
  4. Step 4: Simplify right side
    12,827.40x = 78,173,123.76
  5. Step 5: Solve for x
    x = 78,173,123.76/12,827.40
  6. Step 6: Final answer
    x = 6,094.23

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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.