Home / 14,272.24-21,397.65-4,405.72

Finding the Fourth Proportional to 14,272.24, 21,397.65 and 4,405.72

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Solution

The fourth proportional to 14,272.24, 21,397.65 and 4,405.72 is: 6,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.24 : 21,397.65 = 4,405.72 : x
  2. Step 2: Convert to fraction form
    14,272.24/21,397.65 = 4,405.72/x
  3. Step 3: Cross multiply
    14,272.24x = 21,397.65 × 4,405.72
  4. Step 4: Simplify right side
    14,272.24x = 94,272,054.56
  5. Step 5: Solve for x
    x = 94,272,054.56/14,272.24
  6. Step 6: Final answer
    x = 6,605.27

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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.