Home / 11,438.02-15,784.14-6,402.43

Finding the Fourth Proportional to 11,438.02, 15,784.14 and 6,402.43

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Solution

The fourth proportional to 11,438.02, 15,784.14 and 6,402.43 is: 8,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.02 : 15,784.14 = 6,402.43 : x
  2. Step 2: Convert to fraction form
    11,438.02/15,784.14 = 6,402.43/x
  3. Step 3: Cross multiply
    11,438.02x = 15,784.14 × 6,402.43
  4. Step 4: Simplify right side
    11,438.02x = 101,056,851.46
  5. Step 5: Solve for x
    x = 101,056,851.46/11,438.02
  6. Step 6: Final answer
    x = 8,835.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.