Home / 10,616.58-15,907.56-6,457.87

Finding the Fourth Proportional to 10,616.58, 15,907.56 and 6,457.87

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Solution

The fourth proportional to 10,616.58, 15,907.56 and 6,457.87 is: 9,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.58 : 15,907.56 = 6,457.87 : x
  2. Step 2: Convert to fraction form
    10,616.58/15,907.56 = 6,457.87/x
  3. Step 3: Cross multiply
    10,616.58x = 15,907.56 × 6,457.87
  4. Step 4: Simplify right side
    10,616.58x = 102,728,938.95
  5. Step 5: Solve for x
    x = 102,728,938.95/10,616.58
  6. Step 6: Final answer
    x = 9,676.27

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1.5x scale

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.