Home / 14,026.71-21,036.45-4,163.76

Finding the Fourth Proportional to 14,026.71, 21,036.45 and 4,163.76

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Solution

The fourth proportional to 14,026.71, 21,036.45 and 4,163.76 is: 6,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.71 : 21,036.45 = 4,163.76 : x
  2. Step 2: Convert to fraction form
    14,026.71/21,036.45 = 4,163.76/x
  3. Step 3: Cross multiply
    14,026.71x = 21,036.45 × 4,163.76
  4. Step 4: Simplify right side
    14,026.71x = 87,590,729.05
  5. Step 5: Solve for x
    x = 87,590,729.05/14,026.71
  6. Step 6: Final answer
    x = 6,244.57

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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.