Home / 11,210.84-16,816.55-3,419.63

Finding the Fourth Proportional to 11,210.84, 16,816.55 and 3,419.63

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Solution

The fourth proportional to 11,210.84, 16,816.55 and 3,419.63 is: 5,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.84 : 16,816.55 = 3,419.63 : x
  2. Step 2: Convert to fraction form
    11,210.84/16,816.55 = 3,419.63/x
  3. Step 3: Cross multiply
    11,210.84x = 16,816.55 × 3,419.63
  4. Step 4: Simplify right side
    11,210.84x = 57,506,277.70
  5. Step 5: Solve for x
    x = 57,506,277.70/11,210.84
  6. Step 6: Final answer
    x = 5,129.53

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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.