Home / 13,953.38-20,924.60-5,631.84

Finding the Fourth Proportional to 13,953.38, 20,924.60 and 5,631.84

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Solution

The fourth proportional to 13,953.38, 20,924.60 and 5,631.84 is: 8,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.38 : 20,924.60 = 5,631.84 : x
  2. Step 2: Convert to fraction form
    13,953.38/20,924.60 = 5,631.84/x
  3. Step 3: Cross multiply
    13,953.38x = 20,924.60 × 5,631.84
  4. Step 4: Simplify right side
    13,953.38x = 117,843,971.10
  5. Step 5: Solve for x
    x = 117,843,971.10/13,953.38
  6. Step 6: Final answer
    x = 8,445.55

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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.