Home / 11,614.56-17,421.76-4,688.96

Finding the Fourth Proportional to 11,614.56, 17,421.76 and 4,688.96

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Solution

The fourth proportional to 11,614.56, 17,421.76 and 4,688.96 is: 7,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.56 : 17,421.76 = 4,688.96 : x
  2. Step 2: Convert to fraction form
    11,614.56/17,421.76 = 4,688.96/x
  3. Step 3: Cross multiply
    11,614.56x = 17,421.76 × 4,688.96
  4. Step 4: Simplify right side
    11,614.56x = 81,689,935.77
  5. Step 5: Solve for x
    x = 81,689,935.77/11,614.56
  6. Step 6: Final answer
    x = 7,033.41

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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.