Home / 18,811.20-25,962.72-10,852.08

Finding the Fourth Proportional to 18,811.20, 25,962.72 and 10,852.08

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Solution

The fourth proportional to 18,811.20, 25,962.72 and 10,852.08 is: 14,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.20 : 25,962.72 = 10,852.08 : x
  2. Step 2: Convert to fraction form
    18,811.20/25,962.72 = 10,852.08/x
  3. Step 3: Cross multiply
    18,811.20x = 25,962.72 × 10,852.08
  4. Step 4: Simplify right side
    18,811.20x = 281,749,514.46
  5. Step 5: Solve for x
    x = 281,749,514.46/18,811.20
  6. Step 6: Final answer
    x = 14,977.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.