Home / 13,230.84-19,850.02-10,788.76

Finding the Fourth Proportional to 13,230.84, 19,850.02 and 10,788.76

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Solution

The fourth proportional to 13,230.84, 19,850.02 and 10,788.76 is: 16,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.84 : 19,850.02 = 10,788.76 : x
  2. Step 2: Convert to fraction form
    13,230.84/19,850.02 = 10,788.76/x
  3. Step 3: Cross multiply
    13,230.84x = 19,850.02 × 10,788.76
  4. Step 4: Simplify right side
    13,230.84x = 214,157,101.78
  5. Step 5: Solve for x
    x = 214,157,101.78/13,230.84
  6. Step 6: Final answer
    x = 16,186.21

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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.