Home / 11,392.65-17,090.80-4,372.38

Finding the Fourth Proportional to 11,392.65, 17,090.80 and 4,372.38

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Solution

The fourth proportional to 11,392.65, 17,090.80 and 4,372.38 is: 6,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.65 : 17,090.80 = 4,372.38 : x
  2. Step 2: Convert to fraction form
    11,392.65/17,090.80 = 4,372.38/x
  3. Step 3: Cross multiply
    11,392.65x = 17,090.80 × 4,372.38
  4. Step 4: Simplify right side
    11,392.65x = 74,727,461.17
  5. Step 5: Solve for x
    x = 74,727,461.17/11,392.65
  6. Step 6: Final answer
    x = 6,559.27

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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.