Home / 10,852.79-16,280.35-3,455.52

Finding the Fourth Proportional to 10,852.79, 16,280.35 and 3,455.52

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Solution

The fourth proportional to 10,852.79, 16,280.35 and 3,455.52 is: 5,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.79 : 16,280.35 = 3,455.52 : x
  2. Step 2: Convert to fraction form
    10,852.79/16,280.35 = 3,455.52/x
  3. Step 3: Cross multiply
    10,852.79x = 16,280.35 × 3,455.52
  4. Step 4: Simplify right side
    10,852.79x = 56,257,066.39
  5. Step 5: Solve for x
    x = 56,257,066.39/10,852.79
  6. Step 6: Final answer
    x = 5,183.65

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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.