Home / 14,143.09-21,214.70-4,282.46

Finding the Fourth Proportional to 14,143.09, 21,214.70 and 4,282.46

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Solution

The fourth proportional to 14,143.09, 21,214.70 and 4,282.46 is: 6,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.09 : 21,214.70 = 4,282.46 : x
  2. Step 2: Convert to fraction form
    14,143.09/21,214.70 = 4,282.46/x
  3. Step 3: Cross multiply
    14,143.09x = 21,214.70 × 4,282.46
  4. Step 4: Simplify right side
    14,143.09x = 90,851,036.44
  5. Step 5: Solve for x
    x = 90,851,036.44/14,143.09
  6. Step 6: Final answer
    x = 6,423.70

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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.