Home / 12,764.54-19,149.84-4,000.16

Finding the Fourth Proportional to 12,764.54, 19,149.84 and 4,000.16

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Solution

The fourth proportional to 12,764.54, 19,149.84 and 4,000.16 is: 6,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.54 : 19,149.84 = 4,000.16 : x
  2. Step 2: Convert to fraction form
    12,764.54/19,149.84 = 4,000.16/x
  3. Step 3: Cross multiply
    12,764.54x = 19,149.84 × 4,000.16
  4. Step 4: Simplify right side
    12,764.54x = 76,602,328.23
  5. Step 5: Solve for x
    x = 76,602,328.23/12,764.54
  6. Step 6: Final answer
    x = 6,001.18

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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.