Home / 13,886.85-20,830.26-4,526.86

Finding the Fourth Proportional to 13,886.85, 20,830.26 and 4,526.86

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Solution

The fourth proportional to 13,886.85, 20,830.26 and 4,526.86 is: 6,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.85 : 20,830.26 = 4,526.86 : x
  2. Step 2: Convert to fraction form
    13,886.85/20,830.26 = 4,526.86/x
  3. Step 3: Cross multiply
    13,886.85x = 20,830.26 × 4,526.86
  4. Step 4: Simplify right side
    13,886.85x = 94,295,670.78
  5. Step 5: Solve for x
    x = 94,295,670.78/13,886.85
  6. Step 6: Final answer
    x = 6,790.29

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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.