Home / 18,293.12-25,241.28-10,740.32

Finding the Fourth Proportional to 18,293.12, 25,241.28 and 10,740.32

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Solution

The fourth proportional to 18,293.12, 25,241.28 and 10,740.32 is: 14,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.12 : 25,241.28 = 10,740.32 : x
  2. Step 2: Convert to fraction form
    18,293.12/25,241.28 = 10,740.32/x
  3. Step 3: Cross multiply
    18,293.12x = 25,241.28 × 10,740.32
  4. Step 4: Simplify right side
    18,293.12x = 271,099,424.41
  5. Step 5: Solve for x
    x = 271,099,424.41/18,293.12
  6. Step 6: Final answer
    x = 14,819.75

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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.