Home / 13,981.92-20,908.08-10,826.16

Finding the Fourth Proportional to 13,981.92, 20,908.08 and 10,826.16

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Solution

The fourth proportional to 13,981.92, 20,908.08 and 10,826.16 is: 16,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.92 : 20,908.08 = 10,826.16 : x
  2. Step 2: Convert to fraction form
    13,981.92/20,908.08 = 10,826.16/x
  3. Step 3: Cross multiply
    13,981.92x = 20,908.08 × 10,826.16
  4. Step 4: Simplify right side
    13,981.92x = 226,354,219.37
  5. Step 5: Solve for x
    x = 226,354,219.37/13,981.92
  6. Step 6: Final answer
    x = 16,189.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.