Home / 10,418.67-14,396.27-9,090.27

Finding the Fourth Proportional to 10,418.67, 14,396.27 and 9,090.27

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Solution

The fourth proportional to 10,418.67, 14,396.27 and 9,090.27 is: 12,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.67 : 14,396.27 = 9,090.27 : x
  2. Step 2: Convert to fraction form
    10,418.67/14,396.27 = 9,090.27/x
  3. Step 3: Cross multiply
    10,418.67x = 14,396.27 × 9,090.27
  4. Step 4: Simplify right side
    10,418.67x = 130,865,935.84
  5. Step 5: Solve for x
    x = 130,865,935.84/10,418.67
  6. Step 6: Final answer
    x = 12,560.71

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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.