Home / 15,386.34-23,079.54-3,699.54

Finding the Fourth Proportional to 15,386.34, 23,079.54 and 3,699.54

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Solution

The fourth proportional to 15,386.34, 23,079.54 and 3,699.54 is: 5,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.34 : 23,079.54 = 3,699.54 : x
  2. Step 2: Convert to fraction form
    15,386.34/23,079.54 = 3,699.54/x
  3. Step 3: Cross multiply
    15,386.34x = 23,079.54 × 3,699.54
  4. Step 4: Simplify right side
    15,386.34x = 85,383,681.41
  5. Step 5: Solve for x
    x = 85,383,681.41/15,386.34
  6. Step 6: Final answer
    x = 5,549.32

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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.