Home / 16,783.28-25,158.50-6,930.86

Finding the Fourth Proportional to 16,783.28, 25,158.50 and 6,930.86

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Solution

The fourth proportional to 16,783.28, 25,158.50 and 6,930.86 is: 10,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.28 : 25,158.50 = 6,930.86 : x
  2. Step 2: Convert to fraction form
    16,783.28/25,158.50 = 6,930.86/x
  3. Step 3: Cross multiply
    16,783.28x = 25,158.50 × 6,930.86
  4. Step 4: Simplify right side
    16,783.28x = 174,370,041.31
  5. Step 5: Solve for x
    x = 174,370,041.31/16,783.28
  6. Step 6: Final answer
    x = 10,389.51

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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.