Home / 14,975.87-20,666.34-8,261.37

Finding the Fourth Proportional to 14,975.87, 20,666.34 and 8,261.37

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Solution

The fourth proportional to 14,975.87, 20,666.34 and 8,261.37 is: 11,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.87 : 20,666.34 = 8,261.37 : x
  2. Step 2: Convert to fraction form
    14,975.87/20,666.34 = 8,261.37/x
  3. Step 3: Cross multiply
    14,975.87x = 20,666.34 × 8,261.37
  4. Step 4: Simplify right side
    14,975.87x = 170,732,281.29
  5. Step 5: Solve for x
    x = 170,732,281.29/14,975.87
  6. Step 6: Final answer
    x = 11,400.50

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