Home / 19,154.14-28,730.97-7,475.56

Finding the Fourth Proportional to 19,154.14, 28,730.97 and 7,475.56

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Solution

The fourth proportional to 19,154.14, 28,730.97 and 7,475.56 is: 11,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.14 : 28,730.97 = 7,475.56 : x
  2. Step 2: Convert to fraction form
    19,154.14/28,730.97 = 7,475.56/x
  3. Step 3: Cross multiply
    19,154.14x = 28,730.97 × 7,475.56
  4. Step 4: Simplify right side
    19,154.14x = 214,780,090.09
  5. Step 5: Solve for x
    x = 214,780,090.09/19,154.14
  6. Step 6: Final answer
    x = 11,213.25

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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.