Home / 10,515.32-14,516.76-8,241.98

Finding the Fourth Proportional to 10,515.32, 14,516.76 and 8,241.98

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Solution

The fourth proportional to 10,515.32, 14,516.76 and 8,241.98 is: 11,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.32 : 14,516.76 = 8,241.98 : x
  2. Step 2: Convert to fraction form
    10,515.32/14,516.76 = 8,241.98/x
  3. Step 3: Cross multiply
    10,515.32x = 14,516.76 × 8,241.98
  4. Step 4: Simplify right side
    10,515.32x = 119,646,845.58
  5. Step 5: Solve for x
    x = 119,646,845.58/10,515.32
  6. Step 6: Final answer
    x = 11,378.34

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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.