Home / 13,285.14-18,313.45-10,923.18

Finding the Fourth Proportional to 13,285.14, 18,313.45 and 10,923.18

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Solution

The fourth proportional to 13,285.14, 18,313.45 and 10,923.18 is: 15,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.14 : 18,313.45 = 10,923.18 : x
  2. Step 2: Convert to fraction form
    13,285.14/18,313.45 = 10,923.18/x
  3. Step 3: Cross multiply
    13,285.14x = 18,313.45 × 10,923.18
  4. Step 4: Simplify right side
    13,285.14x = 200,041,110.77
  5. Step 5: Solve for x
    x = 200,041,110.77/13,285.14
  6. Step 6: Final answer
    x = 15,057.51

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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.