Home / 14,143.32-21,215.25-4,282.56

Finding the Fourth Proportional to 14,143.32, 21,215.25 and 4,282.56

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Solution

The fourth proportional to 14,143.32, 21,215.25 and 4,282.56 is: 6,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.32 : 21,215.25 = 4,282.56 : x
  2. Step 2: Convert to fraction form
    14,143.32/21,215.25 = 4,282.56/x
  3. Step 3: Cross multiply
    14,143.32x = 21,215.25 × 4,282.56
  4. Step 4: Simplify right side
    14,143.32x = 90,855,581.04
  5. Step 5: Solve for x
    x = 90,855,581.04/14,143.32
  6. Step 6: Final answer
    x = 6,423.92

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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.