Home / 14,402.64-21,589.12-5,515.55

Finding the Fourth Proportional to 14,402.64, 21,589.12 and 5,515.55

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Solution

The fourth proportional to 14,402.64, 21,589.12 and 5,515.55 is: 8,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.64 : 21,589.12 = 5,515.55 : x
  2. Step 2: Convert to fraction form
    14,402.64/21,589.12 = 5,515.55/x
  3. Step 3: Cross multiply
    14,402.64x = 21,589.12 × 5,515.55
  4. Step 4: Simplify right side
    14,402.64x = 119,075,850.72
  5. Step 5: Solve for x
    x = 119,075,850.72/14,402.64
  6. Step 6: Final answer
    x = 8,267.64

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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.