Home / 14,610.16-20,164.61-8,645.12

Finding the Fourth Proportional to 14,610.16, 20,164.61 and 8,645.12

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Solution

The fourth proportional to 14,610.16, 20,164.61 and 8,645.12 is: 11,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.16 : 20,164.61 = 8,645.12 : x
  2. Step 2: Convert to fraction form
    14,610.16/20,164.61 = 8,645.12/x
  3. Step 3: Cross multiply
    14,610.16x = 20,164.61 × 8,645.12
  4. Step 4: Simplify right side
    14,610.16x = 174,325,473.20
  5. Step 5: Solve for x
    x = 174,325,473.20/14,610.16
  6. Step 6: Final answer
    x = 11,931.80

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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.