Home / 9,420.63-14,125.41-3,577.65

Finding the Fourth Proportional to 9,420.63, 14,125.41 and 3,577.65

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Solution

The fourth proportional to 9,420.63, 14,125.41 and 3,577.65 is: 5,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.63 : 14,125.41 = 3,577.65 : x
  2. Step 2: Convert to fraction form
    9,420.63/14,125.41 = 3,577.65/x
  3. Step 3: Cross multiply
    9,420.63x = 14,125.41 × 3,577.65
  4. Step 4: Simplify right side
    9,420.63x = 50,535,773.09
  5. Step 5: Solve for x
    x = 50,535,773.09/9,420.63
  6. Step 6: Final answer
    x = 5,364.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.