Home / 13,595.42-20,388.80-9,240.86

Finding the Fourth Proportional to 13,595.42, 20,388.80 and 9,240.86

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Solution

The fourth proportional to 13,595.42, 20,388.80 and 9,240.86 is: 13,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.42 : 20,388.80 = 9,240.86 : x
  2. Step 2: Convert to fraction form
    13,595.42/20,388.80 = 9,240.86/x
  3. Step 3: Cross multiply
    13,595.42x = 20,388.80 × 9,240.86
  4. Step 4: Simplify right side
    13,595.42x = 188,409,967.53
  5. Step 5: Solve for x
    x = 188,409,967.53/13,595.42
  6. Step 6: Final answer
    x = 13,858.35

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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.