Home / 11,783.17-16,260.69-6,478.30

Finding the Fourth Proportional to 11,783.17, 16,260.69 and 6,478.30

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Solution

The fourth proportional to 11,783.17, 16,260.69 and 6,478.30 is: 8,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.17 : 16,260.69 = 6,478.30 : x
  2. Step 2: Convert to fraction form
    11,783.17/16,260.69 = 6,478.30/x
  3. Step 3: Cross multiply
    11,783.17x = 16,260.69 × 6,478.30
  4. Step 4: Simplify right side
    11,783.17x = 105,341,628.03
  5. Step 5: Solve for x
    x = 105,341,628.03/11,783.17
  6. Step 6: Final answer
    x = 8,940.01

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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.