Home / 11,425.79-17,139.20-4,030.32

Finding the Fourth Proportional to 11,425.79, 17,139.20 and 4,030.32

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Solution

The fourth proportional to 11,425.79, 17,139.20 and 4,030.32 is: 6,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.79 : 17,139.20 = 4,030.32 : x
  2. Step 2: Convert to fraction form
    11,425.79/17,139.20 = 4,030.32/x
  3. Step 3: Cross multiply
    11,425.79x = 17,139.20 × 4,030.32
  4. Step 4: Simplify right side
    11,425.79x = 69,076,440.39
  5. Step 5: Solve for x
    x = 69,076,440.39/11,425.79
  6. Step 6: Final answer
    x = 6,045.66

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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.