Home / 22,045.64-30,408.18-13,666.28

Finding the Fourth Proportional to 22,045.64, 30,408.18 and 13,666.28

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Solution

The fourth proportional to 22,045.64, 30,408.18 and 13,666.28 is: 18,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.64 : 30,408.18 = 13,666.28 : x
  2. Step 2: Convert to fraction form
    22,045.64/30,408.18 = 13,666.28/x
  3. Step 3: Cross multiply
    22,045.64x = 30,408.18 × 13,666.28
  4. Step 4: Simplify right side
    22,045.64x = 415,566,702.17
  5. Step 5: Solve for x
    x = 415,566,702.17/22,045.64
  6. Step 6: Final answer
    x = 18,850.29

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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.