Home / 14,981.64-20,674.32-8,267.90

Finding the Fourth Proportional to 14,981.64, 20,674.32 and 8,267.90

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Solution

The fourth proportional to 14,981.64, 20,674.32 and 8,267.90 is: 11,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.64 : 20,674.32 = 8,267.90 : x
  2. Step 2: Convert to fraction form
    14,981.64/20,674.32 = 8,267.90/x
  3. Step 3: Cross multiply
    14,981.64x = 20,674.32 × 8,267.90
  4. Step 4: Simplify right side
    14,981.64x = 170,933,210.33
  5. Step 5: Solve for x
    x = 170,933,210.33/14,981.64
  6. Step 6: Final answer
    x = 11,409.51

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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.