Home / 13,585.57-20,374.40-5,263.73

Finding the Fourth Proportional to 13,585.57, 20,374.40 and 5,263.73

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Solution

The fourth proportional to 13,585.57, 20,374.40 and 5,263.73 is: 7,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.57 : 20,374.40 = 5,263.73 : x
  2. Step 2: Convert to fraction form
    13,585.57/20,374.40 = 5,263.73/x
  3. Step 3: Cross multiply
    13,585.57x = 20,374.40 × 5,263.73
  4. Step 4: Simplify right side
    13,585.57x = 107,245,212.32
  5. Step 5: Solve for x
    x = 107,245,212.32/13,585.57
  6. Step 6: Final answer
    x = 7,894.05

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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.