Home / 10,562.78-15,840.51-5,012.36

Finding the Fourth Proportional to 10,562.78, 15,840.51 and 5,012.36

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Solution

The fourth proportional to 10,562.78, 15,840.51 and 5,012.36 is: 7,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.78 : 15,840.51 = 5,012.36 : x
  2. Step 2: Convert to fraction form
    10,562.78/15,840.51 = 5,012.36/x
  3. Step 3: Cross multiply
    10,562.78x = 15,840.51 × 5,012.36
  4. Step 4: Simplify right side
    10,562.78x = 79,398,259.50
  5. Step 5: Solve for x
    x = 79,398,259.50/10,562.78
  6. Step 6: Final answer
    x = 7,516.80

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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.