Home / 9,384.36-14,076.56-7,620.99

Finding the Fourth Proportional to 9,384.36, 14,076.56 and 7,620.99

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Solution

The fourth proportional to 9,384.36, 14,076.56 and 7,620.99 is: 11,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.36 : 14,076.56 = 7,620.99 : x
  2. Step 2: Convert to fraction form
    9,384.36/14,076.56 = 7,620.99/x
  3. Step 3: Cross multiply
    9,384.36x = 14,076.56 × 7,620.99
  4. Step 4: Simplify right side
    9,384.36x = 107,277,322.99
  5. Step 5: Solve for x
    x = 107,277,322.99/9,384.36
  6. Step 6: Final answer
    x = 11,431.50

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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.