Home / 14,427.14-19,907.25-9,129.20

Finding the Fourth Proportional to 14,427.14, 19,907.25 and 9,129.20

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Solution

The fourth proportional to 14,427.14, 19,907.25 and 9,129.20 is: 12,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.14 : 19,907.25 = 9,129.20 : x
  2. Step 2: Convert to fraction form
    14,427.14/19,907.25 = 9,129.20/x
  3. Step 3: Cross multiply
    14,427.14x = 19,907.25 × 9,129.20
  4. Step 4: Simplify right side
    14,427.14x = 181,737,266.70
  5. Step 5: Solve for x
    x = 181,737,266.70/14,427.14
  6. Step 6: Final answer
    x = 12,596.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.