Home / 10,899.02-16,327.09-7,189.92

Finding the Fourth Proportional to 10,899.02, 16,327.09 and 7,189.92

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Solution

The fourth proportional to 10,899.02, 16,327.09 and 7,189.92 is: 10,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.02 : 16,327.09 = 7,189.92 : x
  2. Step 2: Convert to fraction form
    10,899.02/16,327.09 = 7,189.92/x
  3. Step 3: Cross multiply
    10,899.02x = 16,327.09 × 7,189.92
  4. Step 4: Simplify right side
    10,899.02x = 117,390,434.98
  5. Step 5: Solve for x
    x = 117,390,434.98/10,899.02
  6. Step 6: Final answer
    x = 10,770.73

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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.