Home / 19,905.42-29,860.86-6,754.26

Finding the Fourth Proportional to 19,905.42, 29,860.86 and 6,754.26

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Solution

The fourth proportional to 19,905.42, 29,860.86 and 6,754.26 is: 10,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.42 : 29,860.86 = 6,754.26 : x
  2. Step 2: Convert to fraction form
    19,905.42/29,860.86 = 6,754.26/x
  3. Step 3: Cross multiply
    19,905.42x = 29,860.86 × 6,754.26
  4. Step 4: Simplify right side
    19,905.42x = 201,688,012.26
  5. Step 5: Solve for x
    x = 201,688,012.26/19,905.42
  6. Step 6: Final answer
    x = 10,132.32

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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.