Home / 13,310.06-19,966.23-4,878.85

Finding the Fourth Proportional to 13,310.06, 19,966.23 and 4,878.85

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Solution

The fourth proportional to 13,310.06, 19,966.23 and 4,878.85 is: 7,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.06 : 19,966.23 = 4,878.85 : x
  2. Step 2: Convert to fraction form
    13,310.06/19,966.23 = 4,878.85/x
  3. Step 3: Cross multiply
    13,310.06x = 19,966.23 × 4,878.85
  4. Step 4: Simplify right side
    13,310.06x = 97,412,241.24
  5. Step 5: Solve for x
    x = 97,412,241.24/13,310.06
  6. Step 6: Final answer
    x = 7,318.70

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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.