Home / 12,765.36-19,146.83-4,000.35

Finding the Fourth Proportional to 12,765.36, 19,146.83 and 4,000.35

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Solution

The fourth proportional to 12,765.36, 19,146.83 and 4,000.35 is: 6,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.36 : 19,146.83 = 4,000.35 : x
  2. Step 2: Convert to fraction form
    12,765.36/19,146.83 = 4,000.35/x
  3. Step 3: Cross multiply
    12,765.36x = 19,146.83 × 4,000.35
  4. Step 4: Simplify right side
    12,765.36x = 76,594,001.39
  5. Step 5: Solve for x
    x = 76,594,001.39/12,765.36
  6. Step 6: Final answer
    x = 6,000.14

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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.