Home / 9,688.86-13,370.64-5,497.38

Finding the Fourth Proportional to 9,688.86, 13,370.64 and 5,497.38

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Solution

The fourth proportional to 9,688.86, 13,370.64 and 5,497.38 is: 7,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.86 : 13,370.64 = 5,497.38 : x
  2. Step 2: Convert to fraction form
    9,688.86/13,370.64 = 5,497.38/x
  3. Step 3: Cross multiply
    9,688.86x = 13,370.64 × 5,497.38
  4. Step 4: Simplify right side
    9,688.86x = 73,503,488.92
  5. Step 5: Solve for x
    x = 73,503,488.92/9,688.86
  6. Step 6: Final answer
    x = 7,586.39

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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.