Home / 14,137.10-21,205.65-9,216.35

Finding the Fourth Proportional to 14,137.10, 21,205.65 and 9,216.35

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Solution

The fourth proportional to 14,137.10, 21,205.65 and 9,216.35 is: 13,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.10 : 21,205.65 = 9,216.35 : x
  2. Step 2: Convert to fraction form
    14,137.10/21,205.65 = 9,216.35/x
  3. Step 3: Cross multiply
    14,137.10x = 21,205.65 × 9,216.35
  4. Step 4: Simplify right side
    14,137.10x = 195,438,692.38
  5. Step 5: Solve for x
    x = 195,438,692.38/14,137.10
  6. Step 6: Final answer
    x = 13,824.53

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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.