Home / 11,208.54-16,812.70-2,888.53

Finding the Fourth Proportional to 11,208.54, 16,812.70 and 2,888.53

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Solution

The fourth proportional to 11,208.54, 16,812.70 and 2,888.53 is: 4,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.54 : 16,812.70 = 2,888.53 : x
  2. Step 2: Convert to fraction form
    11,208.54/16,812.70 = 2,888.53/x
  3. Step 3: Cross multiply
    11,208.54x = 16,812.70 × 2,888.53
  4. Step 4: Simplify right side
    11,208.54x = 48,563,988.33
  5. Step 5: Solve for x
    x = 48,563,988.33/11,208.54
  6. Step 6: Final answer
    x = 4,332.77

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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.