Home / 13,015.32-19,533.90-6,777.50

Finding the Fourth Proportional to 13,015.32, 19,533.90 and 6,777.50

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Solution

The fourth proportional to 13,015.32, 19,533.90 and 6,777.50 is: 10,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.32 : 19,533.90 = 6,777.50 : x
  2. Step 2: Convert to fraction form
    13,015.32/19,533.90 = 6,777.50/x
  3. Step 3: Cross multiply
    13,015.32x = 19,533.90 × 6,777.50
  4. Step 4: Simplify right side
    13,015.32x = 132,391,007.25
  5. Step 5: Solve for x
    x = 132,391,007.25/13,015.32
  6. Step 6: Final answer
    x = 10,171.94

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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.