Home / 20,898.98-31,348.47-9,043.04

Finding the Fourth Proportional to 20,898.98, 31,348.47 and 9,043.04

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Solution

The fourth proportional to 20,898.98, 31,348.47 and 9,043.04 is: 13,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898.98 : 31,348.47 = 9,043.04 : x
  2. Step 2: Convert to fraction form
    20,898.98/31,348.47 = 9,043.04/x
  3. Step 3: Cross multiply
    20,898.98x = 31,348.47 × 9,043.04
  4. Step 4: Simplify right side
    20,898.98x = 283,485,546.52
  5. Step 5: Solve for x
    x = 283,485,546.52/20,898.98
  6. Step 6: Final answer
    x = 13,564.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.