Home / 19,636.44-29,437.21-7,154.13

Finding the Fourth Proportional to 19,636.44, 29,437.21 and 7,154.13

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Solution

The fourth proportional to 19,636.44, 29,437.21 and 7,154.13 is: 10,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.44 : 29,437.21 = 7,154.13 : x
  2. Step 2: Convert to fraction form
    19,636.44/29,437.21 = 7,154.13/x
  3. Step 3: Cross multiply
    19,636.44x = 29,437.21 × 7,154.13
  4. Step 4: Simplify right side
    19,636.44x = 210,597,627.18
  5. Step 5: Solve for x
    x = 210,597,627.18/19,636.44
  6. Step 6: Final answer
    x = 10,724.84

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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.