Home / 13,670.46-20,508.44-4,312.85

Finding the Fourth Proportional to 13,670.46, 20,508.44 and 4,312.85

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Solution

The fourth proportional to 13,670.46, 20,508.44 and 4,312.85 is: 6,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.46 : 20,508.44 = 4,312.85 : x
  2. Step 2: Convert to fraction form
    13,670.46/20,508.44 = 4,312.85/x
  3. Step 3: Cross multiply
    13,670.46x = 20,508.44 × 4,312.85
  4. Step 4: Simplify right side
    13,670.46x = 88,449,701.35
  5. Step 5: Solve for x
    x = 88,449,701.35/13,670.46
  6. Step 6: Final answer
    x = 6,470.13

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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.