Home / 13,885.38-20,830.23-4,523.19

Finding the Fourth Proportional to 13,885.38, 20,830.23 and 4,523.19

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Solution

The fourth proportional to 13,885.38, 20,830.23 and 4,523.19 is: 6,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.38 : 20,830.23 = 4,523.19 : x
  2. Step 2: Convert to fraction form
    13,885.38/20,830.23 = 4,523.19/x
  3. Step 3: Cross multiply
    13,885.38x = 20,830.23 × 4,523.19
  4. Step 4: Simplify right side
    13,885.38x = 94,219,088.03
  5. Step 5: Solve for x
    x = 94,219,088.03/13,885.38
  6. Step 6: Final answer
    x = 6,785.49

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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.