Home / 15,486.72-23,240-5,625.10

Finding the Fourth Proportional to 15,486.72, 23,240 and 5,625.10

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Solution

The fourth proportional to 15,486.72, 23,240 and 5,625.10 is: 8,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.72 : 23,240 = 5,625.10 : x
  2. Step 2: Convert to fraction form
    15,486.72/23,240 = 5,625.10/x
  3. Step 3: Cross multiply
    15,486.72x = 23,240 × 5,625.10
  4. Step 4: Simplify right side
    15,486.72x = 130,727,324.00
  5. Step 5: Solve for x
    x = 130,727,324.00/15,486.72
  6. Step 6: Final answer
    x = 8,441.25

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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.