Home / 18,271.12-25,219.02-10,318

Finding the Fourth Proportional to 18,271.12, 25,219.02 and 10,318

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Solution

The fourth proportional to 18,271.12, 25,219.02 and 10,318 is: 14,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.12 : 25,219.02 = 10,318 : x
  2. Step 2: Convert to fraction form
    18,271.12/25,219.02 = 10,318/x
  3. Step 3: Cross multiply
    18,271.12x = 25,219.02 × 10,318
  4. Step 4: Simplify right side
    18,271.12x = 260,209,848.36
  5. Step 5: Solve for x
    x = 260,209,848.36/18,271.12
  6. Step 6: Final answer
    x = 14,241.59

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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.