Home / 15,271.14-22,921.50-7,379.21

Finding the Fourth Proportional to 15,271.14, 22,921.50 and 7,379.21

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Solution

The fourth proportional to 15,271.14, 22,921.50 and 7,379.21 is: 11,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.14 : 22,921.50 = 7,379.21 : x
  2. Step 2: Convert to fraction form
    15,271.14/22,921.50 = 7,379.21/x
  3. Step 3: Cross multiply
    15,271.14x = 22,921.50 × 7,379.21
  4. Step 4: Simplify right side
    15,271.14x = 169,142,562.02
  5. Step 5: Solve for x
    x = 169,142,562.02/15,271.14
  6. Step 6: Final answer
    x = 11,075.96

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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.