Home / 9,777.66-14,665.77-3,113.91

Finding the Fourth Proportional to 9,777.66, 14,665.77 and 3,113.91

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Solution

The fourth proportional to 9,777.66, 14,665.77 and 3,113.91 is: 4,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.66 : 14,665.77 = 3,113.91 : x
  2. Step 2: Convert to fraction form
    9,777.66/14,665.77 = 3,113.91/x
  3. Step 3: Cross multiply
    9,777.66x = 14,665.77 × 3,113.91
  4. Step 4: Simplify right side
    9,777.66x = 45,667,887.86
  5. Step 5: Solve for x
    x = 45,667,887.86/9,777.66
  6. Step 6: Final answer
    x = 4,670.64

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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.