Home / 14,345.88-21,522.88-4,485.28

Finding the Fourth Proportional to 14,345.88, 21,522.88 and 4,485.28

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Solution

The fourth proportional to 14,345.88, 21,522.88 and 4,485.28 is: 6,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.88 : 21,522.88 = 4,485.28 : x
  2. Step 2: Convert to fraction form
    14,345.88/21,522.88 = 4,485.28/x
  3. Step 3: Cross multiply
    14,345.88x = 21,522.88 × 4,485.28
  4. Step 4: Simplify right side
    14,345.88x = 96,536,143.21
  5. Step 5: Solve for x
    x = 96,536,143.21/14,345.88
  6. Step 6: Final answer
    x = 6,729.19

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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.