Home / 10,477.45-15,718.49-3,459.63

Finding the Fourth Proportional to 10,477.45, 15,718.49 and 3,459.63

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Solution

The fourth proportional to 10,477.45, 15,718.49 and 3,459.63 is: 5,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.45 : 15,718.49 = 3,459.63 : x
  2. Step 2: Convert to fraction form
    10,477.45/15,718.49 = 3,459.63/x
  3. Step 3: Cross multiply
    10,477.45x = 15,718.49 × 3,459.63
  4. Step 4: Simplify right side
    10,477.45x = 54,380,159.56
  5. Step 5: Solve for x
    x = 54,380,159.56/10,477.45
  6. Step 6: Final answer
    x = 5,190.21

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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.