Home / 20,364.21-30,528.90-9,266.94

Finding the Fourth Proportional to 20,364.21, 30,528.90 and 9,266.94

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Solution

The fourth proportional to 20,364.21, 30,528.90 and 9,266.94 is: 13,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.21 : 30,528.90 = 9,266.94 : x
  2. Step 2: Convert to fraction form
    20,364.21/30,528.90 = 9,266.94/x
  3. Step 3: Cross multiply
    20,364.21x = 30,528.90 × 9,266.94
  4. Step 4: Simplify right side
    20,364.21x = 282,909,484.57
  5. Step 5: Solve for x
    x = 282,909,484.57/20,364.21
  6. Step 6: Final answer
    x = 13,892.49

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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.