Home / 13,585.20-20,376.96-4,818.96

Finding the Fourth Proportional to 13,585.20, 20,376.96 and 4,818.96

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Solution

The fourth proportional to 13,585.20, 20,376.96 and 4,818.96 is: 7,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.20 : 20,376.96 = 4,818.96 : x
  2. Step 2: Convert to fraction form
    13,585.20/20,376.96 = 4,818.96/x
  3. Step 3: Cross multiply
    13,585.20x = 20,376.96 × 4,818.96
  4. Step 4: Simplify right side
    13,585.20x = 98,195,755.16
  5. Step 5: Solve for x
    x = 98,195,755.16/13,585.20
  6. Step 6: Final answer
    x = 7,228.14

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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.