Home / 13,530.38-18,676.98-10,182.85

Finding the Fourth Proportional to 13,530.38, 18,676.98 and 10,182.85

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Solution

The fourth proportional to 13,530.38, 18,676.98 and 10,182.85 is: 14,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.38 : 18,676.98 = 10,182.85 : x
  2. Step 2: Convert to fraction form
    13,530.38/18,676.98 = 10,182.85/x
  3. Step 3: Cross multiply
    13,530.38x = 18,676.98 × 10,182.85
  4. Step 4: Simplify right side
    13,530.38x = 190,184,839.10
  5. Step 5: Solve for x
    x = 190,184,839.10/13,530.38
  6. Step 6: Final answer
    x = 14,056.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.