Home / 11,030.56-16,516.26-9,280.96

Finding the Fourth Proportional to 11,030.56, 16,516.26 and 9,280.96

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Solution

The fourth proportional to 11,030.56, 16,516.26 and 9,280.96 is: 13,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.56 : 16,516.26 = 9,280.96 : x
  2. Step 2: Convert to fraction form
    11,030.56/16,516.26 = 9,280.96/x
  3. Step 3: Cross multiply
    11,030.56x = 16,516.26 × 9,280.96
  4. Step 4: Simplify right side
    11,030.56x = 153,286,748.41
  5. Step 5: Solve for x
    x = 153,286,748.41/11,030.56
  6. Step 6: Final answer
    x = 13,896.55

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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.