Home / 11,655.42-17,482.89-2,890.23

Finding the Fourth Proportional to 11,655.42, 17,482.89 and 2,890.23

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Solution

The fourth proportional to 11,655.42, 17,482.89 and 2,890.23 is: 4,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.42 : 17,482.89 = 2,890.23 : x
  2. Step 2: Convert to fraction form
    11,655.42/17,482.89 = 2,890.23/x
  3. Step 3: Cross multiply
    11,655.42x = 17,482.89 × 2,890.23
  4. Step 4: Simplify right side
    11,655.42x = 50,529,573.16
  5. Step 5: Solve for x
    x = 50,529,573.16/11,655.42
  6. Step 6: Final answer
    x = 4,335.29

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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.