Home / 13,174.80-19,592.64-12,759.48

Finding the Fourth Proportional to 13,174.80, 19,592.64 and 12,759.48

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Solution

The fourth proportional to 13,174.80, 19,592.64 and 12,759.48 is: 18,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.80 : 19,592.64 = 12,759.48 : x
  2. Step 2: Convert to fraction form
    13,174.80/19,592.64 = 12,759.48/x
  3. Step 3: Cross multiply
    13,174.80x = 19,592.64 × 12,759.48
  4. Step 4: Simplify right side
    13,174.80x = 249,991,898.23
  5. Step 5: Solve for x
    x = 249,991,898.23/13,174.80
  6. Step 6: Final answer
    x = 18,975.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.