Home / 14,428.05-19,905.51-8,765.14

Finding the Fourth Proportional to 14,428.05, 19,905.51 and 8,765.14

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Solution

The fourth proportional to 14,428.05, 19,905.51 and 8,765.14 is: 12,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.05 : 19,905.51 = 8,765.14 : x
  2. Step 2: Convert to fraction form
    14,428.05/19,905.51 = 8,765.14/x
  3. Step 3: Cross multiply
    14,428.05x = 19,905.51 × 8,765.14
  4. Step 4: Simplify right side
    14,428.05x = 174,474,482.39
  5. Step 5: Solve for x
    x = 174,474,482.39/14,428.05
  6. Step 6: Final answer
    x = 12,092.73

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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.