Home / 20,272.13-30,416.96-10,901.19

Finding the Fourth Proportional to 20,272.13, 30,416.96 and 10,901.19

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Solution

The fourth proportional to 20,272.13, 30,416.96 and 10,901.19 is: 16,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.13 : 30,416.96 = 10,901.19 : x
  2. Step 2: Convert to fraction form
    20,272.13/30,416.96 = 10,901.19/x
  3. Step 3: Cross multiply
    20,272.13x = 30,416.96 × 10,901.19
  4. Step 4: Simplify right side
    20,272.13x = 331,581,060.18
  5. Step 5: Solve for x
    x = 331,581,060.18/20,272.13
  6. Step 6: Final answer
    x = 16,356.50

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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.