Home / 9,905.37-13,660.68-6,127.93

Finding the Fourth Proportional to 9,905.37, 13,660.68 and 6,127.93

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Solution

The fourth proportional to 9,905.37, 13,660.68 and 6,127.93 is: 8,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.37 : 13,660.68 = 6,127.93 : x
  2. Step 2: Convert to fraction form
    9,905.37/13,660.68 = 6,127.93/x
  3. Step 3: Cross multiply
    9,905.37x = 13,660.68 × 6,127.93
  4. Step 4: Simplify right side
    9,905.37x = 83,711,690.79
  5. Step 5: Solve for x
    x = 83,711,690.79/9,905.37
  6. Step 6: Final answer
    x = 8,451.14

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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.