Home / 13,159.49-19,738.89-6,131.93

Finding the Fourth Proportional to 13,159.49, 19,738.89 and 6,131.93

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Solution

The fourth proportional to 13,159.49, 19,738.89 and 6,131.93 is: 9,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.49 : 19,738.89 = 6,131.93 : x
  2. Step 2: Convert to fraction form
    13,159.49/19,738.89 = 6,131.93/x
  3. Step 3: Cross multiply
    13,159.49x = 19,738.89 × 6,131.93
  4. Step 4: Simplify right side
    13,159.49x = 121,037,393.06
  5. Step 5: Solve for x
    x = 121,037,393.06/13,159.49
  6. Step 6: Final answer
    x = 9,197.73

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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.