Home / 13,124.50-19,686.75-12,794.02

Finding the Fourth Proportional to 13,124.50, 19,686.75 and 12,794.02

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Solution

The fourth proportional to 13,124.50, 19,686.75 and 12,794.02 is: 19,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.50 : 19,686.75 = 12,794.02 : x
  2. Step 2: Convert to fraction form
    13,124.50/19,686.75 = 12,794.02/x
  3. Step 3: Cross multiply
    13,124.50x = 19,686.75 × 12,794.02
  4. Step 4: Simplify right side
    13,124.50x = 251,872,673.24
  5. Step 5: Solve for x
    x = 251,872,673.24/13,124.50
  6. Step 6: Final answer
    x = 19,191.03

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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.