Home / 14,776.45-20,399.04-11,411.71

Finding the Fourth Proportional to 14,776.45, 20,399.04 and 11,411.71

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Solution

The fourth proportional to 14,776.45, 20,399.04 and 11,411.71 is: 15,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.45 : 20,399.04 = 11,411.71 : x
  2. Step 2: Convert to fraction form
    14,776.45/20,399.04 = 11,411.71/x
  3. Step 3: Cross multiply
    14,776.45x = 20,399.04 × 11,411.71
  4. Step 4: Simplify right side
    14,776.45x = 232,787,928.76
  5. Step 5: Solve for x
    x = 232,787,928.76/14,776.45
  6. Step 6: Final answer
    x = 15,753.98

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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.