Home / 14,155.22-21,230.44-4,292.15

Finding the Fourth Proportional to 14,155.22, 21,230.44 and 4,292.15

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Solution

The fourth proportional to 14,155.22, 21,230.44 and 4,292.15 is: 6,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.22 : 21,230.44 = 4,292.15 : x
  2. Step 2: Convert to fraction form
    14,155.22/21,230.44 = 4,292.15/x
  3. Step 3: Cross multiply
    14,155.22x = 21,230.44 × 4,292.15
  4. Step 4: Simplify right side
    14,155.22x = 91,124,116.16
  5. Step 5: Solve for x
    x = 91,124,116.16/14,155.22
  6. Step 6: Final answer
    x = 6,437.49

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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.