Home / 19,300.08-28,942.74-10,530.30

Finding the Fourth Proportional to 19,300.08, 28,942.74 and 10,530.30

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Solution

The fourth proportional to 19,300.08, 28,942.74 and 10,530.30 is: 15,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.08 : 28,942.74 = 10,530.30 : x
  2. Step 2: Convert to fraction form
    19,300.08/28,942.74 = 10,530.30/x
  3. Step 3: Cross multiply
    19,300.08x = 28,942.74 × 10,530.30
  4. Step 4: Simplify right side
    19,300.08x = 304,775,735.02
  5. Step 5: Solve for x
    x = 304,775,735.02/19,300.08
  6. Step 6: Final answer
    x = 15,791.42

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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.