Home / 12,777.02-19,166.33-4,012.28

Finding the Fourth Proportional to 12,777.02, 19,166.33 and 4,012.28

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Solution

The fourth proportional to 12,777.02, 19,166.33 and 4,012.28 is: 6,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.02 : 19,166.33 = 4,012.28 : x
  2. Step 2: Convert to fraction form
    12,777.02/19,166.33 = 4,012.28/x
  3. Step 3: Cross multiply
    12,777.02x = 19,166.33 × 4,012.28
  4. Step 4: Simplify right side
    12,777.02x = 76,900,682.53
  5. Step 5: Solve for x
    x = 76,900,682.53/12,777.02
  6. Step 6: Final answer
    x = 6,018.67

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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.