Home / 10,181.40-15,252.60-6,878.28

Finding the Fourth Proportional to 10,181.40, 15,252.60 and 6,878.28

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Solution

The fourth proportional to 10,181.40, 15,252.60 and 6,878.28 is: 10,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.40 : 15,252.60 = 6,878.28 : x
  2. Step 2: Convert to fraction form
    10,181.40/15,252.60 = 6,878.28/x
  3. Step 3: Cross multiply
    10,181.40x = 15,252.60 × 6,878.28
  4. Step 4: Simplify right side
    10,181.40x = 104,911,653.53
  5. Step 5: Solve for x
    x = 104,911,653.53/10,181.40
  6. Step 6: Final answer
    x = 10,304.25

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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.