Home / 10,517.05-14,516.51-7,374.01

Finding the Fourth Proportional to 10,517.05, 14,516.51 and 7,374.01

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Solution

The fourth proportional to 10,517.05, 14,516.51 and 7,374.01 is: 10,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.05 : 14,516.51 = 7,374.01 : x
  2. Step 2: Convert to fraction form
    10,517.05/14,516.51 = 7,374.01/x
  3. Step 3: Cross multiply
    10,517.05x = 14,516.51 × 7,374.01
  4. Step 4: Simplify right side
    10,517.05x = 107,044,889.91
  5. Step 5: Solve for x
    x = 107,044,889.91/10,517.05
  6. Step 6: Final answer
    x = 10,178.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.