Home / 19,369.24-26,729.70-10,985.80

Finding the Fourth Proportional to 19,369.24, 26,729.70 and 10,985.80

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Solution

The fourth proportional to 19,369.24, 26,729.70 and 10,985.80 is: 15,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.24 : 26,729.70 = 10,985.80 : x
  2. Step 2: Convert to fraction form
    19,369.24/26,729.70 = 10,985.80/x
  3. Step 3: Cross multiply
    19,369.24x = 26,729.70 × 10,985.80
  4. Step 4: Simplify right side
    19,369.24x = 293,647,138.26
  5. Step 5: Solve for x
    x = 293,647,138.26/19,369.24
  6. Step 6: Final answer
    x = 15,160.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.