Home / 12,003.43-16,565.57-6,699.28

Finding the Fourth Proportional to 12,003.43, 16,565.57 and 6,699.28

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Solution

The fourth proportional to 12,003.43, 16,565.57 and 6,699.28 is: 9,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.43 : 16,565.57 = 6,699.28 : x
  2. Step 2: Convert to fraction form
    12,003.43/16,565.57 = 6,699.28/x
  3. Step 3: Cross multiply
    12,003.43x = 16,565.57 × 6,699.28
  4. Step 4: Simplify right side
    12,003.43x = 110,977,358.29
  5. Step 5: Solve for x
    x = 110,977,358.29/12,003.43
  6. Step 6: Final answer
    x = 9,245.47

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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.