Home / 14,665.43-20,236.77-9,000.41

Finding the Fourth Proportional to 14,665.43, 20,236.77 and 9,000.41

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Solution

The fourth proportional to 14,665.43, 20,236.77 and 9,000.41 is: 12,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.43 : 20,236.77 = 9,000.41 : x
  2. Step 2: Convert to fraction form
    14,665.43/20,236.77 = 9,000.41/x
  3. Step 3: Cross multiply
    14,665.43x = 20,236.77 × 9,000.41
  4. Step 4: Simplify right side
    14,665.43x = 182,139,300.17
  5. Step 5: Solve for x
    x = 182,139,300.17/14,665.43
  6. Step 6: Final answer
    x = 12,419.64

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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.