Home / 23,421.21-35,133.65-6,781.50

Finding the Fourth Proportional to 23,421.21, 35,133.65 and 6,781.50

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Solution

The fourth proportional to 23,421.21, 35,133.65 and 6,781.50 is: 10,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.21 : 35,133.65 = 6,781.50 : x
  2. Step 2: Convert to fraction form
    23,421.21/35,133.65 = 6,781.50/x
  3. Step 3: Cross multiply
    23,421.21x = 35,133.65 × 6,781.50
  4. Step 4: Simplify right side
    23,421.21x = 238,258,847.48
  5. Step 5: Solve for x
    x = 238,258,847.48/23,421.21
  6. Step 6: Final answer
    x = 10,172.78

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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.