Home / 14,282.16-21,425.28-4,422.20

Finding the Fourth Proportional to 14,282.16, 21,425.28 and 4,422.20

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Solution

The fourth proportional to 14,282.16, 21,425.28 and 4,422.20 is: 6,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.16 : 21,425.28 = 4,422.20 : x
  2. Step 2: Convert to fraction form
    14,282.16/21,425.28 = 4,422.20/x
  3. Step 3: Cross multiply
    14,282.16x = 21,425.28 × 4,422.20
  4. Step 4: Simplify right side
    14,282.16x = 94,746,873.22
  5. Step 5: Solve for x
    x = 94,746,873.22/14,282.16
  6. Step 6: Final answer
    x = 6,633.93

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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.