Home / 14,007.32-20,855.46-13,811.18

Finding the Fourth Proportional to 14,007.32, 20,855.46 and 13,811.18

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Solution

The fourth proportional to 14,007.32, 20,855.46 and 13,811.18 is: 20,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.32 : 20,855.46 = 13,811.18 : x
  2. Step 2: Convert to fraction form
    14,007.32/20,855.46 = 13,811.18/x
  3. Step 3: Cross multiply
    14,007.32x = 20,855.46 × 13,811.18
  4. Step 4: Simplify right side
    14,007.32x = 288,038,407.77
  5. Step 5: Solve for x
    x = 288,038,407.77/14,007.32
  6. Step 6: Final answer
    x = 20,563.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.