Home / 19,447.50-29,175.57-7,135.50

Finding the Fourth Proportional to 19,447.50, 29,175.57 and 7,135.50

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Solution

The fourth proportional to 19,447.50, 29,175.57 and 7,135.50 is: 10,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.50 : 29,175.57 = 7,135.50 : x
  2. Step 2: Convert to fraction form
    19,447.50/29,175.57 = 7,135.50/x
  3. Step 3: Cross multiply
    19,447.50x = 29,175.57 × 7,135.50
  4. Step 4: Simplify right side
    19,447.50x = 208,182,279.74
  5. Step 5: Solve for x
    x = 208,182,279.74/19,447.50
  6. Step 6: Final answer
    x = 10,704.84

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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.