Home / 18,056.40-27,106.20-10,165.20

Finding the Fourth Proportional to 18,056.40, 27,106.20 and 10,165.20

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Solution

The fourth proportional to 18,056.40, 27,106.20 and 10,165.20 is: 15,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.40 : 27,106.20 = 10,165.20 : x
  2. Step 2: Convert to fraction form
    18,056.40/27,106.20 = 10,165.20/x
  3. Step 3: Cross multiply
    18,056.40x = 27,106.20 × 10,165.20
  4. Step 4: Simplify right side
    18,056.40x = 275,539,944.24
  5. Step 5: Solve for x
    x = 275,539,944.24/18,056.40
  6. Step 6: Final answer
    x = 15,259.96

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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.