Home / 14,290.76-21,431.12-4,292.52

Finding the Fourth Proportional to 14,290.76, 21,431.12 and 4,292.52

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Solution

The fourth proportional to 14,290.76, 21,431.12 and 4,292.52 is: 6,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.76 : 21,431.12 = 4,292.52 : x
  2. Step 2: Convert to fraction form
    14,290.76/21,431.12 = 4,292.52/x
  3. Step 3: Cross multiply
    14,290.76x = 21,431.12 × 4,292.52
  4. Step 4: Simplify right side
    14,290.76x = 91,993,489.76
  5. Step 5: Solve for x
    x = 91,993,489.76/14,290.76
  6. Step 6: Final answer
    x = 6,437.27

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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.