Home / 9,664.80-13,337.47-6,305.63

Finding the Fourth Proportional to 9,664.80, 13,337.47 and 6,305.63

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Solution

The fourth proportional to 9,664.80, 13,337.47 and 6,305.63 is: 8,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.80 : 13,337.47 = 6,305.63 : x
  2. Step 2: Convert to fraction form
    9,664.80/13,337.47 = 6,305.63/x
  3. Step 3: Cross multiply
    9,664.80x = 13,337.47 × 6,305.63
  4. Step 4: Simplify right side
    9,664.80x = 84,101,101.85
  5. Step 5: Solve for x
    x = 84,101,101.85/9,664.80
  6. Step 6: Final answer
    x = 8,701.79

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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.