Home / 10,779.02-16,168.54-3,384.14

Finding the Fourth Proportional to 10,779.02, 16,168.54 and 3,384.14

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Solution

The fourth proportional to 10,779.02, 16,168.54 and 3,384.14 is: 5,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.02 : 16,168.54 = 3,384.14 : x
  2. Step 2: Convert to fraction form
    10,779.02/16,168.54 = 3,384.14/x
  3. Step 3: Cross multiply
    10,779.02x = 16,168.54 × 3,384.14
  4. Step 4: Simplify right side
    10,779.02x = 54,716,602.96
  5. Step 5: Solve for x
    x = 54,716,602.96/10,779.02
  6. Step 6: Final answer
    x = 5,076.21

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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.