Home / 9,777.06-13,478.94-6,190.20

Finding the Fourth Proportional to 9,777.06, 13,478.94 and 6,190.20

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Solution

The fourth proportional to 9,777.06, 13,478.94 and 6,190.20 is: 8,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.06 : 13,478.94 = 6,190.20 : x
  2. Step 2: Convert to fraction form
    9,777.06/13,478.94 = 6,190.20/x
  3. Step 3: Cross multiply
    9,777.06x = 13,478.94 × 6,190.20
  4. Step 4: Simplify right side
    9,777.06x = 83,437,334.39
  5. Step 5: Solve for x
    x = 83,437,334.39/9,777.06
  6. Step 6: Final answer
    x = 8,533.99

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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.