Home / 10,711.51-16,066.65-2,814.01

Finding the Fourth Proportional to 10,711.51, 16,066.65 and 2,814.01

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Solution

The fourth proportional to 10,711.51, 16,066.65 and 2,814.01 is: 4,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.51 : 16,066.65 = 2,814.01 : x
  2. Step 2: Convert to fraction form
    10,711.51/16,066.65 = 2,814.01/x
  3. Step 3: Cross multiply
    10,711.51x = 16,066.65 × 2,814.01
  4. Step 4: Simplify right side
    10,711.51x = 45,211,713.77
  5. Step 5: Solve for x
    x = 45,211,713.77/10,711.51
  6. Step 6: Final answer
    x = 4,220.85

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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.