Home / 10,455.96-15,689.28-6,948.36

Finding the Fourth Proportional to 10,455.96, 15,689.28 and 6,948.36

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Solution

The fourth proportional to 10,455.96, 15,689.28 and 6,948.36 is: 10,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.96 : 15,689.28 = 6,948.36 : x
  2. Step 2: Convert to fraction form
    10,455.96/15,689.28 = 6,948.36/x
  3. Step 3: Cross multiply
    10,455.96x = 15,689.28 × 6,948.36
  4. Step 4: Simplify right side
    10,455.96x = 109,014,765.58
  5. Step 5: Solve for x
    x = 109,014,765.58/10,455.96
  6. Step 6: Final answer
    x = 10,426.09

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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.