Home / 19,563.52-29,330.70-13,307.80

Finding the Fourth Proportional to 19,563.52, 29,330.70 and 13,307.80

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Solution

The fourth proportional to 19,563.52, 29,330.70 and 13,307.80 is: 19,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.52 : 29,330.70 = 13,307.80 : x
  2. Step 2: Convert to fraction form
    19,563.52/29,330.70 = 13,307.80/x
  3. Step 3: Cross multiply
    19,563.52x = 29,330.70 × 13,307.80
  4. Step 4: Simplify right side
    19,563.52x = 390,327,089.46
  5. Step 5: Solve for x
    x = 390,327,089.46/19,563.52
  6. Step 6: Final answer
    x = 19,951.78

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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.