Home / 10,754.79-16,119.77-4,175.40

Finding the Fourth Proportional to 10,754.79, 16,119.77 and 4,175.40

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Solution

The fourth proportional to 10,754.79, 16,119.77 and 4,175.40 is: 6,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.79 : 16,119.77 = 4,175.40 : x
  2. Step 2: Convert to fraction form
    10,754.79/16,119.77 = 4,175.40/x
  3. Step 3: Cross multiply
    10,754.79x = 16,119.77 × 4,175.40
  4. Step 4: Simplify right side
    10,754.79x = 67,306,466.78
  5. Step 5: Solve for x
    x = 67,306,466.78/10,754.79
  6. Step 6: Final answer
    x = 6,258.28

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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.