Home / 9,418.04-14,130.50-3,869.88

Finding the Fourth Proportional to 9,418.04, 14,130.50 and 3,869.88

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Solution

The fourth proportional to 9,418.04, 14,130.50 and 3,869.88 is: 5,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.04 : 14,130.50 = 3,869.88 : x
  2. Step 2: Convert to fraction form
    9,418.04/14,130.50 = 3,869.88/x
  3. Step 3: Cross multiply
    9,418.04x = 14,130.50 × 3,869.88
  4. Step 4: Simplify right side
    9,418.04x = 54,683,319.99
  5. Step 5: Solve for x
    x = 54,683,319.99/9,418.04
  6. Step 6: Final answer
    x = 5,806.23

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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.