Home / 20,369.41-30,490.19-14,007.16

Finding the Fourth Proportional to 20,369.41, 30,490.19 and 14,007.16

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Solution

The fourth proportional to 20,369.41, 30,490.19 and 14,007.16 is: 20,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.41 : 30,490.19 = 14,007.16 : x
  2. Step 2: Convert to fraction form
    20,369.41/30,490.19 = 14,007.16/x
  3. Step 3: Cross multiply
    20,369.41x = 30,490.19 × 14,007.16
  4. Step 4: Simplify right side
    20,369.41x = 427,080,928.55
  5. Step 5: Solve for x
    x = 427,080,928.55/20,369.41
  6. Step 6: Final answer
    x = 20,966.78

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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.