Home / 13,126.25-19,698.50-5,335.07

Finding the Fourth Proportional to 13,126.25, 19,698.50 and 5,335.07

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Solution

The fourth proportional to 13,126.25, 19,698.50 and 5,335.07 is: 8,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.25 : 19,698.50 = 5,335.07 : x
  2. Step 2: Convert to fraction form
    13,126.25/19,698.50 = 5,335.07/x
  3. Step 3: Cross multiply
    13,126.25x = 19,698.50 × 5,335.07
  4. Step 4: Simplify right side
    13,126.25x = 105,092,849.72
  5. Step 5: Solve for x
    x = 105,092,849.72/13,126.25
  6. Step 6: Final answer
    x = 8,006.31

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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.