Home / 10,638.57-14,684.43-6,163.41

Finding the Fourth Proportional to 10,638.57, 14,684.43 and 6,163.41

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Solution

The fourth proportional to 10,638.57, 14,684.43 and 6,163.41 is: 8,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.57 : 14,684.43 = 6,163.41 : x
  2. Step 2: Convert to fraction form
    10,638.57/14,684.43 = 6,163.41/x
  3. Step 3: Cross multiply
    10,638.57x = 14,684.43 × 6,163.41
  4. Step 4: Simplify right side
    10,638.57x = 90,506,162.71
  5. Step 5: Solve for x
    x = 90,506,162.71/10,638.57
  6. Step 6: Final answer
    x = 8,507.36

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1.5x scale

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.