Home / 9,559.19-14,338.79-2,985.90

Finding the Fourth Proportional to 9,559.19, 14,338.79 and 2,985.90

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Solution

The fourth proportional to 9,559.19, 14,338.79 and 2,985.90 is: 4,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.19 : 14,338.79 = 2,985.90 : x
  2. Step 2: Convert to fraction form
    9,559.19/14,338.79 = 2,985.90/x
  3. Step 3: Cross multiply
    9,559.19x = 14,338.79 × 2,985.90
  4. Step 4: Simplify right side
    9,559.19x = 42,814,135.56
  5. Step 5: Solve for x
    x = 42,814,135.56/9,559.19
  6. Step 6: Final answer
    x = 4,478.84

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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.