Home / 13,269.02-19,915.82-6,699.81

Finding the Fourth Proportional to 13,269.02, 19,915.82 and 6,699.81

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Solution

The fourth proportional to 13,269.02, 19,915.82 and 6,699.81 is: 10,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.02 : 19,915.82 = 6,699.81 : x
  2. Step 2: Convert to fraction form
    13,269.02/19,915.82 = 6,699.81/x
  3. Step 3: Cross multiply
    13,269.02x = 19,915.82 × 6,699.81
  4. Step 4: Simplify right side
    13,269.02x = 133,432,313.99
  5. Step 5: Solve for x
    x = 133,432,313.99/13,269.02
  6. Step 6: Final answer
    x = 10,055.93

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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.