Home / 10,384.16-15,576.51-7,923.38

Finding the Fourth Proportional to 10,384.16, 15,576.51 and 7,923.38

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Solution

The fourth proportional to 10,384.16, 15,576.51 and 7,923.38 is: 11,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.16 : 15,576.51 = 7,923.38 : x
  2. Step 2: Convert to fraction form
    10,384.16/15,576.51 = 7,923.38/x
  3. Step 3: Cross multiply
    10,384.16x = 15,576.51 × 7,923.38
  4. Step 4: Simplify right side
    10,384.16x = 123,418,607.80
  5. Step 5: Solve for x
    x = 123,418,607.80/10,384.16
  6. Step 6: Final answer
    x = 11,885.28

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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.