Home / 14,903.78-22,355.63-3,810.47

Finding the Fourth Proportional to 14,903.78, 22,355.63 and 3,810.47

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Solution

The fourth proportional to 14,903.78, 22,355.63 and 3,810.47 is: 5,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.78 : 22,355.63 = 3,810.47 : x
  2. Step 2: Convert to fraction form
    14,903.78/22,355.63 = 3,810.47/x
  3. Step 3: Cross multiply
    14,903.78x = 22,355.63 × 3,810.47
  4. Step 4: Simplify right side
    14,903.78x = 85,185,438.39
  5. Step 5: Solve for x
    x = 85,185,438.39/14,903.78
  6. Step 6: Final answer
    x = 5,715.69

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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.