Home / 20,373.36-28,114.75-11,298.68

Finding the Fourth Proportional to 20,373.36, 28,114.75 and 11,298.68

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Solution

The fourth proportional to 20,373.36, 28,114.75 and 11,298.68 is: 15,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.36 : 28,114.75 = 11,298.68 : x
  2. Step 2: Convert to fraction form
    20,373.36/28,114.75 = 11,298.68/x
  3. Step 3: Cross multiply
    20,373.36x = 28,114.75 × 11,298.68
  4. Step 4: Simplify right side
    20,373.36x = 317,659,563.53
  5. Step 5: Solve for x
    x = 317,659,563.53/20,373.36
  6. Step 6: Final answer
    x = 15,591.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.