Home / 16,818.70-23,212.83-9,749.02

Finding the Fourth Proportional to 16,818.70, 23,212.83 and 9,749.02

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Solution

The fourth proportional to 16,818.70, 23,212.83 and 9,749.02 is: 13,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.70 : 23,212.83 = 9,749.02 : x
  2. Step 2: Convert to fraction form
    16,818.70/23,212.83 = 9,749.02/x
  3. Step 3: Cross multiply
    16,818.70x = 23,212.83 × 9,749.02
  4. Step 4: Simplify right side
    16,818.70x = 226,302,343.93
  5. Step 5: Solve for x
    x = 226,302,343.93/16,818.70
  6. Step 6: Final answer
    x = 13,455.40

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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.