Home / 20,256.60-30,384.77-10,901.02

Finding the Fourth Proportional to 20,256.60, 30,384.77 and 10,901.02

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Solution

The fourth proportional to 20,256.60, 30,384.77 and 10,901.02 is: 16,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.60 : 30,384.77 = 10,901.02 : x
  2. Step 2: Convert to fraction form
    20,256.60/30,384.77 = 10,901.02/x
  3. Step 3: Cross multiply
    20,256.60x = 30,384.77 × 10,901.02
  4. Step 4: Simplify right side
    20,256.60x = 331,224,930.96
  5. Step 5: Solve for x
    x = 331,224,930.96/20,256.60
  6. Step 6: Final answer
    x = 16,351.46

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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.