Home / 10,893.19-15,030.28-6,415.31

Finding the Fourth Proportional to 10,893.19, 15,030.28 and 6,415.31

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Solution

The fourth proportional to 10,893.19, 15,030.28 and 6,415.31 is: 8,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.19 : 15,030.28 = 6,415.31 : x
  2. Step 2: Convert to fraction form
    10,893.19/15,030.28 = 6,415.31/x
  3. Step 3: Cross multiply
    10,893.19x = 15,030.28 × 6,415.31
  4. Step 4: Simplify right side
    10,893.19x = 96,423,905.59
  5. Step 5: Solve for x
    x = 96,423,905.59/10,893.19
  6. Step 6: Final answer
    x = 8,851.76

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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.