Home / 11,430.42-15,777.30-6,651.48

Finding the Fourth Proportional to 11,430.42, 15,777.30 and 6,651.48

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Solution

The fourth proportional to 11,430.42, 15,777.30 and 6,651.48 is: 9,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.42 : 15,777.30 = 6,651.48 : x
  2. Step 2: Convert to fraction form
    11,430.42/15,777.30 = 6,651.48/x
  3. Step 3: Cross multiply
    11,430.42x = 15,777.30 × 6,651.48
  4. Step 4: Simplify right side
    11,430.42x = 104,942,395.40
  5. Step 5: Solve for x
    x = 104,942,395.40/11,430.42
  6. Step 6: Final answer
    x = 9,180.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.