Home / 9,688.46-13,369.23-5,438.66

Finding the Fourth Proportional to 9,688.46, 13,369.23 and 5,438.66

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Solution

The fourth proportional to 9,688.46, 13,369.23 and 5,438.66 is: 7,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.46 : 13,369.23 = 5,438.66 : x
  2. Step 2: Convert to fraction form
    9,688.46/13,369.23 = 5,438.66/x
  3. Step 3: Cross multiply
    9,688.46x = 13,369.23 × 5,438.66
  4. Step 4: Simplify right side
    9,688.46x = 72,710,629.59
  5. Step 5: Solve for x
    x = 72,710,629.59/9,688.46
  6. Step 6: Final answer
    x = 7,504.87

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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.