Home / 10,863.36-16,280.29-4,615.53

Finding the Fourth Proportional to 10,863.36, 16,280.29 and 4,615.53

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Solution

The fourth proportional to 10,863.36, 16,280.29 and 4,615.53 is: 6,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.36 : 16,280.29 = 4,615.53 : x
  2. Step 2: Convert to fraction form
    10,863.36/16,280.29 = 4,615.53/x
  3. Step 3: Cross multiply
    10,863.36x = 16,280.29 × 4,615.53
  4. Step 4: Simplify right side
    10,863.36x = 75,142,166.90
  5. Step 5: Solve for x
    x = 75,142,166.90/10,863.36
  6. Step 6: Final answer
    x = 6,917.03

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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.