Home / 16,918.90-23,348.88-9,749.88

Finding the Fourth Proportional to 16,918.90, 23,348.88 and 9,749.88

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Solution

The fourth proportional to 16,918.90, 23,348.88 and 9,749.88 is: 13,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.90 : 23,348.88 = 9,749.88 : x
  2. Step 2: Convert to fraction form
    16,918.90/23,348.88 = 9,749.88/x
  3. Step 3: Cross multiply
    16,918.90x = 23,348.88 × 9,749.88
  4. Step 4: Simplify right side
    16,918.90x = 227,648,778.13
  5. Step 5: Solve for x
    x = 227,648,778.13/16,918.90
  6. Step 6: Final answer
    x = 13,455.30

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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.