Home / 10,938.72-16,424.48-6,264.01

Finding the Fourth Proportional to 10,938.72, 16,424.48 and 6,264.01

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Solution

The fourth proportional to 10,938.72, 16,424.48 and 6,264.01 is: 9,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.72 : 16,424.48 = 6,264.01 : x
  2. Step 2: Convert to fraction form
    10,938.72/16,424.48 = 6,264.01/x
  3. Step 3: Cross multiply
    10,938.72x = 16,424.48 × 6,264.01
  4. Step 4: Simplify right side
    10,938.72x = 102,883,106.96
  5. Step 5: Solve for x
    x = 102,883,106.96/10,938.72
  6. Step 6: Final answer
    x = 9,405.41

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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.