Home / 12,762.66-19,143.84-4,442.64

Finding the Fourth Proportional to 12,762.66, 19,143.84 and 4,442.64

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Solution

The fourth proportional to 12,762.66, 19,143.84 and 4,442.64 is: 6,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.66 : 19,143.84 = 4,442.64 : x
  2. Step 2: Convert to fraction form
    12,762.66/19,143.84 = 4,442.64/x
  3. Step 3: Cross multiply
    12,762.66x = 19,143.84 × 4,442.64
  4. Step 4: Simplify right side
    12,762.66x = 85,049,189.34
  5. Step 5: Solve for x
    x = 85,049,189.34/12,762.66
  6. Step 6: Final answer
    x = 6,663.91

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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.