Home / 14,283.41-21,425.11-6,486.75

Finding the Fourth Proportional to 14,283.41, 21,425.11 and 6,486.75

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Solution

The fourth proportional to 14,283.41, 21,425.11 and 6,486.75 is: 9,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.41 : 21,425.11 = 6,486.75 : x
  2. Step 2: Convert to fraction form
    14,283.41/21,425.11 = 6,486.75/x
  3. Step 3: Cross multiply
    14,283.41x = 21,425.11 × 6,486.75
  4. Step 4: Simplify right side
    14,283.41x = 138,979,316.08
  5. Step 5: Solve for x
    x = 138,979,316.08/14,283.41
  6. Step 6: Final answer
    x = 9,730.13

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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.