Home / 20,358.25-30,534.93-8,674.81

Finding the Fourth Proportional to 20,358.25, 30,534.93 and 8,674.81

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Solution

The fourth proportional to 20,358.25, 30,534.93 and 8,674.81 is: 13,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.25 : 30,534.93 = 8,674.81 : x
  2. Step 2: Convert to fraction form
    20,358.25/30,534.93 = 8,674.81/x
  3. Step 3: Cross multiply
    20,358.25x = 30,534.93 × 8,674.81
  4. Step 4: Simplify right side
    20,358.25x = 264,884,716.11
  5. Step 5: Solve for x
    x = 264,884,716.11/20,358.25
  6. Step 6: Final answer
    x = 13,011.17

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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.