Home / 11,273.55-15,558.47-6,557.50

Finding the Fourth Proportional to 11,273.55, 15,558.47 and 6,557.50

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Solution

The fourth proportional to 11,273.55, 15,558.47 and 6,557.50 is: 9,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.55 : 15,558.47 = 6,557.50 : x
  2. Step 2: Convert to fraction form
    11,273.55/15,558.47 = 6,557.50/x
  3. Step 3: Cross multiply
    11,273.55x = 15,558.47 × 6,557.50
  4. Step 4: Simplify right side
    11,273.55x = 102,024,667.03
  5. Step 5: Solve for x
    x = 102,024,667.03/11,273.55
  6. Step 6: Final answer
    x = 9,049.91

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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.