Home / 12,535.95-18,796.98-5,145.62

Finding the Fourth Proportional to 12,535.95, 18,796.98 and 5,145.62

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Solution

The fourth proportional to 12,535.95, 18,796.98 and 5,145.62 is: 7,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.95 : 18,796.98 = 5,145.62 : x
  2. Step 2: Convert to fraction form
    12,535.95/18,796.98 = 5,145.62/x
  3. Step 3: Cross multiply
    12,535.95x = 18,796.98 × 5,145.62
  4. Step 4: Simplify right side
    12,535.95x = 96,722,022.24
  5. Step 5: Solve for x
    x = 96,722,022.24/12,535.95
  6. Step 6: Final answer
    x = 7,715.57

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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.