Home / 17,271.70-25,907.55-7,430.20

Finding the Fourth Proportional to 17,271.70, 25,907.55 and 7,430.20

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Solution

The fourth proportional to 17,271.70, 25,907.55 and 7,430.20 is: 11,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.70 : 25,907.55 = 7,430.20 : x
  2. Step 2: Convert to fraction form
    17,271.70/25,907.55 = 7,430.20/x
  3. Step 3: Cross multiply
    17,271.70x = 25,907.55 × 7,430.20
  4. Step 4: Simplify right side
    17,271.70x = 192,498,278.01
  5. Step 5: Solve for x
    x = 192,498,278.01/17,271.70
  6. Step 6: Final answer
    x = 11,145.30

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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.