Home / 13,124.21-19,685.49-5,332.82

Finding the Fourth Proportional to 13,124.21, 19,685.49 and 5,332.82

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Solution

The fourth proportional to 13,124.21, 19,685.49 and 5,332.82 is: 7,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.21 : 19,685.49 = 5,332.82 : x
  2. Step 2: Convert to fraction form
    13,124.21/19,685.49 = 5,332.82/x
  3. Step 3: Cross multiply
    13,124.21x = 19,685.49 × 5,332.82
  4. Step 4: Simplify right side
    13,124.21x = 104,979,076.35
  5. Step 5: Solve for x
    x = 104,979,076.35/13,124.21
  6. Step 6: Final answer
    x = 7,998.89

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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.