Home / 11,928.48-16,465.70-10,243.10

Finding the Fourth Proportional to 11,928.48, 16,465.70 and 10,243.10

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Solution

The fourth proportional to 11,928.48, 16,465.70 and 10,243.10 is: 14,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.48 : 16,465.70 = 10,243.10 : x
  2. Step 2: Convert to fraction form
    11,928.48/16,465.70 = 10,243.10/x
  3. Step 3: Cross multiply
    11,928.48x = 16,465.70 × 10,243.10
  4. Step 4: Simplify right side
    11,928.48x = 168,659,811.67
  5. Step 5: Solve for x
    x = 168,659,811.67/11,928.48
  6. Step 6: Final answer
    x = 14,139.25

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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.