Home / 14,112.21-19,458.87-9,000.90

Finding the Fourth Proportional to 14,112.21, 19,458.87 and 9,000.90

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Solution

The fourth proportional to 14,112.21, 19,458.87 and 9,000.90 is: 12,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.21 : 19,458.87 = 9,000.90 : x
  2. Step 2: Convert to fraction form
    14,112.21/19,458.87 = 9,000.90/x
  3. Step 3: Cross multiply
    14,112.21x = 19,458.87 × 9,000.90
  4. Step 4: Simplify right side
    14,112.21x = 175,147,342.98
  5. Step 5: Solve for x
    x = 175,147,342.98/14,112.21
  6. Step 6: Final answer
    x = 12,411.05

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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.