Home / 10,935.80-16,403.70-3,038.30

Finding the Fourth Proportional to 10,935.80, 16,403.70 and 3,038.30

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Solution

The fourth proportional to 10,935.80, 16,403.70 and 3,038.30 is: 4,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.80 : 16,403.70 = 3,038.30 : x
  2. Step 2: Convert to fraction form
    10,935.80/16,403.70 = 3,038.30/x
  3. Step 3: Cross multiply
    10,935.80x = 16,403.70 × 3,038.30
  4. Step 4: Simplify right side
    10,935.80x = 49,839,361.71
  5. Step 5: Solve for x
    x = 49,839,361.71/10,935.80
  6. Step 6: Final answer
    x = 4,557.45

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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.