Home / 13,585.52-20,376.10-3,722.50

Finding the Fourth Proportional to 13,585.52, 20,376.10 and 3,722.50

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Solution

The fourth proportional to 13,585.52, 20,376.10 and 3,722.50 is: 5,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.52 : 20,376.10 = 3,722.50 : x
  2. Step 2: Convert to fraction form
    13,585.52/20,376.10 = 3,722.50/x
  3. Step 3: Cross multiply
    13,585.52x = 20,376.10 × 3,722.50
  4. Step 4: Simplify right side
    13,585.52x = 75,850,032.25
  5. Step 5: Solve for x
    x = 75,850,032.25/13,585.52
  6. Step 6: Final answer
    x = 5,583.15

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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.