Home / 14,278.16-21,426.10-6,883.37

Finding the Fourth Proportional to 14,278.16, 21,426.10 and 6,883.37

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Solution

The fourth proportional to 14,278.16, 21,426.10 and 6,883.37 is: 10,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.16 : 21,426.10 = 6,883.37 : x
  2. Step 2: Convert to fraction form
    14,278.16/21,426.10 = 6,883.37/x
  3. Step 3: Cross multiply
    14,278.16x = 21,426.10 × 6,883.37
  4. Step 4: Simplify right side
    14,278.16x = 147,483,773.96
  5. Step 5: Solve for x
    x = 147,483,773.96/14,278.16
  6. Step 6: Final answer
    x = 10,329.33

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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.