Home / 20,512.43-30,741.98-9,259.50

Finding the Fourth Proportional to 20,512.43, 30,741.98 and 9,259.50

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Solution

The fourth proportional to 20,512.43, 30,741.98 and 9,259.50 is: 13,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.43 : 30,741.98 = 9,259.50 : x
  2. Step 2: Convert to fraction form
    20,512.43/30,741.98 = 9,259.50/x
  3. Step 3: Cross multiply
    20,512.43x = 30,741.98 × 9,259.50
  4. Step 4: Simplify right side
    20,512.43x = 284,655,317.51
  5. Step 5: Solve for x
    x = 284,655,317.51/20,512.43
  6. Step 6: Final answer
    x = 13,877.21

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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.