Home / 16,818.36-23,217.20-9,743.40

Finding the Fourth Proportional to 16,818.36, 23,217.20 and 9,743.40

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Solution

The fourth proportional to 16,818.36, 23,217.20 and 9,743.40 is: 13,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.36 : 23,217.20 = 9,743.40 : x
  2. Step 2: Convert to fraction form
    16,818.36/23,217.20 = 9,743.40/x
  3. Step 3: Cross multiply
    16,818.36x = 23,217.20 × 9,743.40
  4. Step 4: Simplify right side
    16,818.36x = 226,214,466.48
  5. Step 5: Solve for x
    x = 226,214,466.48/16,818.36
  6. Step 6: Final answer
    x = 13,450.45

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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.