Home / 9,688.41-14,530.70-2,666.63

Finding the Fourth Proportional to 9,688.41, 14,530.70 and 2,666.63

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Solution

The fourth proportional to 9,688.41, 14,530.70 and 2,666.63 is: 3,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.41 : 14,530.70 = 2,666.63 : x
  2. Step 2: Convert to fraction form
    9,688.41/14,530.70 = 2,666.63/x
  3. Step 3: Cross multiply
    9,688.41x = 14,530.70 × 2,666.63
  4. Step 4: Simplify right side
    9,688.41x = 38,747,914.55
  5. Step 5: Solve for x
    x = 38,747,914.55/9,688.41
  6. Step 6: Final answer
    x = 3,999.41

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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.