Home / 14,278.33-21,424.56-6,889.06

Finding the Fourth Proportional to 14,278.33, 21,424.56 and 6,889.06

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Solution

The fourth proportional to 14,278.33, 21,424.56 and 6,889.06 is: 10,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.33 : 21,424.56 = 6,889.06 : x
  2. Step 2: Convert to fraction form
    14,278.33/21,424.56 = 6,889.06/x
  3. Step 3: Cross multiply
    14,278.33x = 21,424.56 × 6,889.06
  4. Step 4: Simplify right side
    14,278.33x = 147,595,079.31
  5. Step 5: Solve for x
    x = 147,595,079.31/14,278.33
  6. Step 6: Final answer
    x = 10,337.00

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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.