Home / 13,885.28-20,830.07-4,523.10

Finding the Fourth Proportional to 13,885.28, 20,830.07 and 4,523.10

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Solution

The fourth proportional to 13,885.28, 20,830.07 and 4,523.10 is: 6,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.28 : 20,830.07 = 4,523.10 : x
  2. Step 2: Convert to fraction form
    13,885.28/20,830.07 = 4,523.10/x
  3. Step 3: Cross multiply
    13,885.28x = 20,830.07 × 4,523.10
  4. Step 4: Simplify right side
    13,885.28x = 94,216,467.00
  5. Step 5: Solve for x
    x = 94,216,467.00/13,885.28
  6. Step 6: Final answer
    x = 6,785.35

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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.