Home / 9,418.04-14,122.18-3,870.36

Finding the Fourth Proportional to 9,418.04, 14,122.18 and 3,870.36

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Solution

The fourth proportional to 9,418.04, 14,122.18 and 3,870.36 is: 5,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.04 : 14,122.18 = 3,870.36 : x
  2. Step 2: Convert to fraction form
    9,418.04/14,122.18 = 3,870.36/x
  3. Step 3: Cross multiply
    9,418.04x = 14,122.18 × 3,870.36
  4. Step 4: Simplify right side
    9,418.04x = 54,657,920.58
  5. Step 5: Solve for x
    x = 54,657,920.58/9,418.04
  6. Step 6: Final answer
    x = 5,803.53

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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.