Home / 14,310.07-21,471.28-6,920.10

Finding the Fourth Proportional to 14,310.07, 21,471.28 and 6,920.10

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Solution

The fourth proportional to 14,310.07, 21,471.28 and 6,920.10 is: 10,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.07 : 21,471.28 = 6,920.10 : x
  2. Step 2: Convert to fraction form
    14,310.07/21,471.28 = 6,920.10/x
  3. Step 3: Cross multiply
    14,310.07x = 21,471.28 × 6,920.10
  4. Step 4: Simplify right side
    14,310.07x = 148,583,387.43
  5. Step 5: Solve for x
    x = 148,583,387.43/14,310.07
  6. Step 6: Final answer
    x = 10,383.14

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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.