Home / 10,798.96-16,161.86-6,641.60

Finding the Fourth Proportional to 10,798.96, 16,161.86 and 6,641.60

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Solution

The fourth proportional to 10,798.96, 16,161.86 and 6,641.60 is: 9,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.96 : 16,161.86 = 6,641.60 : x
  2. Step 2: Convert to fraction form
    10,798.96/16,161.86 = 6,641.60/x
  3. Step 3: Cross multiply
    10,798.96x = 16,161.86 × 6,641.60
  4. Step 4: Simplify right side
    10,798.96x = 107,340,666.38
  5. Step 5: Solve for x
    x = 107,340,666.38/10,798.96
  6. Step 6: Final answer
    x = 9,939.91

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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.