Home / 19,389.52-29,084.56-5,538.48

Finding the Fourth Proportional to 19,389.52, 29,084.56 and 5,538.48

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Solution

The fourth proportional to 19,389.52, 29,084.56 and 5,538.48 is: 8,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.52 : 29,084.56 = 5,538.48 : x
  2. Step 2: Convert to fraction form
    19,389.52/29,084.56 = 5,538.48/x
  3. Step 3: Cross multiply
    19,389.52x = 29,084.56 × 5,538.48
  4. Step 4: Simplify right side
    19,389.52x = 161,084,253.87
  5. Step 5: Solve for x
    x = 161,084,253.87/19,389.52
  6. Step 6: Final answer
    x = 8,307.80

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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.