Home / 10,533.06-15,766.71-7,762.86

Finding the Fourth Proportional to 10,533.06, 15,766.71 and 7,762.86

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Solution

The fourth proportional to 10,533.06, 15,766.71 and 7,762.86 is: 11,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.06 : 15,766.71 = 7,762.86 : x
  2. Step 2: Convert to fraction form
    10,533.06/15,766.71 = 7,762.86/x
  3. Step 3: Cross multiply
    10,533.06x = 15,766.71 × 7,762.86
  4. Step 4: Simplify right side
    10,533.06x = 122,394,762.39
  5. Step 5: Solve for x
    x = 122,394,762.39/10,533.06
  6. Step 6: Final answer
    x = 11,620.06

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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.