Home / 20,051.52-30,076.35-9,513.81

Finding the Fourth Proportional to 20,051.52, 30,076.35 and 9,513.81

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Solution

The fourth proportional to 20,051.52, 30,076.35 and 9,513.81 is: 14,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.52 : 30,076.35 = 9,513.81 : x
  2. Step 2: Convert to fraction form
    20,051.52/30,076.35 = 9,513.81/x
  3. Step 3: Cross multiply
    20,051.52x = 30,076.35 × 9,513.81
  4. Step 4: Simplify right side
    20,051.52x = 286,140,679.39
  5. Step 5: Solve for x
    x = 286,140,679.39/20,051.52
  6. Step 6: Final answer
    x = 14,270.27

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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.