Home / 13,330.60-19,997.10-5,537.80

Finding the Fourth Proportional to 13,330.60, 19,997.10 and 5,537.80

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Solution

The fourth proportional to 13,330.60, 19,997.10 and 5,537.80 is: 8,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.60 : 19,997.10 = 5,537.80 : x
  2. Step 2: Convert to fraction form
    13,330.60/19,997.10 = 5,537.80/x
  3. Step 3: Cross multiply
    13,330.60x = 19,997.10 × 5,537.80
  4. Step 4: Simplify right side
    13,330.60x = 110,739,940.38
  5. Step 5: Solve for x
    x = 110,739,940.38/13,330.60
  6. Step 6: Final answer
    x = 8,307.20

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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.