Home / 9,038.14-13,556.44-3,115.01

Finding the Fourth Proportional to 9,038.14, 13,556.44 and 3,115.01

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Solution

The fourth proportional to 9,038.14, 13,556.44 and 3,115.01 is: 4,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.14 : 13,556.44 = 3,115.01 : x
  2. Step 2: Convert to fraction form
    9,038.14/13,556.44 = 3,115.01/x
  3. Step 3: Cross multiply
    9,038.14x = 13,556.44 × 3,115.01
  4. Step 4: Simplify right side
    9,038.14x = 42,228,472.27
  5. Step 5: Solve for x
    x = 42,228,472.27/9,038.14
  6. Step 6: Final answer
    x = 4,672.25

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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.