Home / 13,482.25-18,595.57-8,936.70

Finding the Fourth Proportional to 13,482.25, 18,595.57 and 8,936.70

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Solution

The fourth proportional to 13,482.25, 18,595.57 and 8,936.70 is: 12,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.25 : 18,595.57 = 8,936.70 : x
  2. Step 2: Convert to fraction form
    13,482.25/18,595.57 = 8,936.70/x
  3. Step 3: Cross multiply
    13,482.25x = 18,595.57 × 8,936.70
  4. Step 4: Simplify right side
    13,482.25x = 166,183,030.42
  5. Step 5: Solve for x
    x = 166,183,030.42/13,482.25
  6. Step 6: Final answer
    x = 12,326.06

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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.