Home / 11,430.99-15,777.93-6,651.85

Finding the Fourth Proportional to 11,430.99, 15,777.93 and 6,651.85

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Solution

The fourth proportional to 11,430.99, 15,777.93 and 6,651.85 is: 9,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.99 : 15,777.93 = 6,651.85 : x
  2. Step 2: Convert to fraction form
    11,430.99/15,777.93 = 6,651.85/x
  3. Step 3: Cross multiply
    11,430.99x = 15,777.93 × 6,651.85
  4. Step 4: Simplify right side
    11,430.99x = 104,952,423.67
  5. Step 5: Solve for x
    x = 104,952,423.67/11,430.99
  6. Step 6: Final answer
    x = 9,181.39

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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.