Home / 13,050.56-19,575.88-9,172.32

Finding the Fourth Proportional to 13,050.56, 19,575.88 and 9,172.32

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Solution

The fourth proportional to 13,050.56, 19,575.88 and 9,172.32 is: 13,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.56 : 19,575.88 = 9,172.32 : x
  2. Step 2: Convert to fraction form
    13,050.56/19,575.88 = 9,172.32/x
  3. Step 3: Cross multiply
    13,050.56x = 19,575.88 × 9,172.32
  4. Step 4: Simplify right side
    13,050.56x = 179,556,235.64
  5. Step 5: Solve for x
    x = 179,556,235.64/13,050.56
  6. Step 6: Final answer
    x = 13,758.51

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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.