Home / 11,148.81-15,386.94-6,901.23

Finding the Fourth Proportional to 11,148.81, 15,386.94 and 6,901.23

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Solution

The fourth proportional to 11,148.81, 15,386.94 and 6,901.23 is: 9,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.81 : 15,386.94 = 6,901.23 : x
  2. Step 2: Convert to fraction form
    11,148.81/15,386.94 = 6,901.23/x
  3. Step 3: Cross multiply
    11,148.81x = 15,386.94 × 6,901.23
  4. Step 4: Simplify right side
    11,148.81x = 106,188,811.94
  5. Step 5: Solve for x
    x = 106,188,811.94/11,148.81
  6. Step 6: Final answer
    x = 9,524.68

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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.