Home / 13,585.44-20,364.12-8,037.68

Finding the Fourth Proportional to 13,585.44, 20,364.12 and 8,037.68

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Solution

The fourth proportional to 13,585.44, 20,364.12 and 8,037.68 is: 12,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.44 : 20,364.12 = 8,037.68 : x
  2. Step 2: Convert to fraction form
    13,585.44/20,364.12 = 8,037.68/x
  3. Step 3: Cross multiply
    13,585.44x = 20,364.12 × 8,037.68
  4. Step 4: Simplify right side
    13,585.44x = 163,680,280.04
  5. Step 5: Solve for x
    x = 163,680,280.04/13,585.44
  6. Step 6: Final answer
    x = 12,048.21

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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.