Home / 13,457.84-20,174.70-6,433.52

Finding the Fourth Proportional to 13,457.84, 20,174.70 and 6,433.52

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Solution

The fourth proportional to 13,457.84, 20,174.70 and 6,433.52 is: 9,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.84 : 20,174.70 = 6,433.52 : x
  2. Step 2: Convert to fraction form
    13,457.84/20,174.70 = 6,433.52/x
  3. Step 3: Cross multiply
    13,457.84x = 20,174.70 × 6,433.52
  4. Step 4: Simplify right side
    13,457.84x = 129,794,335.94
  5. Step 5: Solve for x
    x = 129,794,335.94/13,457.84
  6. Step 6: Final answer
    x = 9,644.51

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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.