Home / 13,586.04-20,376.72-3,725.64

Finding the Fourth Proportional to 13,586.04, 20,376.72 and 3,725.64

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Solution

The fourth proportional to 13,586.04, 20,376.72 and 3,725.64 is: 5,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.04 : 20,376.72 = 3,725.64 : x
  2. Step 2: Convert to fraction form
    13,586.04/20,376.72 = 3,725.64/x
  3. Step 3: Cross multiply
    13,586.04x = 20,376.72 × 3,725.64
  4. Step 4: Simplify right side
    13,586.04x = 75,916,323.10
  5. Step 5: Solve for x
    x = 75,916,323.10/13,586.04
  6. Step 6: Final answer
    x = 5,587.82

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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.