Home / 14,427.64-19,907.94-9,129.70

Finding the Fourth Proportional to 14,427.64, 19,907.94 and 9,129.70

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Solution

The fourth proportional to 14,427.64, 19,907.94 and 9,129.70 is: 12,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.64 : 19,907.94 = 9,129.70 : x
  2. Step 2: Convert to fraction form
    14,427.64/19,907.94 = 9,129.70/x
  3. Step 3: Cross multiply
    14,427.64x = 19,907.94 × 9,129.70
  4. Step 4: Simplify right side
    14,427.64x = 181,753,519.82
  5. Step 5: Solve for x
    x = 181,753,519.82/14,427.64
  6. Step 6: Final answer
    x = 12,597.59

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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.