Home / 10,485.90-15,710.22-5,558.94

Finding the Fourth Proportional to 10,485.90, 15,710.22 and 5,558.94

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Solution

The fourth proportional to 10,485.90, 15,710.22 and 5,558.94 is: 8,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.90 : 15,710.22 = 5,558.94 : x
  2. Step 2: Convert to fraction form
    10,485.90/15,710.22 = 5,558.94/x
  3. Step 3: Cross multiply
    10,485.90x = 15,710.22 × 5,558.94
  4. Step 4: Simplify right side
    10,485.90x = 87,332,170.37
  5. Step 5: Solve for x
    x = 87,332,170.37/10,485.90
  6. Step 6: Final answer
    x = 8,328.53

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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.