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Finding the Fourth Proportional to 14,907.30, 22,375.35 and 9,075.30

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Solution

The fourth proportional to 14,907.30, 22,375.35 and 9,075.30 is: 13,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.30 : 22,375.35 = 9,075.30 : x
  2. Step 2: Convert to fraction form
    14,907.30/22,375.35 = 9,075.30/x
  3. Step 3: Cross multiply
    14,907.30x = 22,375.35 × 9,075.30
  4. Step 4: Simplify right side
    14,907.30x = 203,063,013.86
  5. Step 5: Solve for x
    x = 203,063,013.86/14,907.30
  6. Step 6: Final answer
    x = 13,621.72

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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.