Home / 9,768.40-13,477.29-5,989.75

Finding the Fourth Proportional to 9,768.40, 13,477.29 and 5,989.75

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Solution

The fourth proportional to 9,768.40, 13,477.29 and 5,989.75 is: 8,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.40 : 13,477.29 = 5,989.75 : x
  2. Step 2: Convert to fraction form
    9,768.40/13,477.29 = 5,989.75/x
  3. Step 3: Cross multiply
    9,768.40x = 13,477.29 × 5,989.75
  4. Step 4: Simplify right side
    9,768.40x = 80,725,541.62
  5. Step 5: Solve for x
    x = 80,725,541.62/9,768.40
  6. Step 6: Final answer
    x = 8,263.95

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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.