Home / 15,405.75-23,110.45-5,017.50

Finding the Fourth Proportional to 15,405.75, 23,110.45 and 5,017.50

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Solution

The fourth proportional to 15,405.75, 23,110.45 and 5,017.50 is: 7,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.75 : 23,110.45 = 5,017.50 : x
  2. Step 2: Convert to fraction form
    15,405.75/23,110.45 = 5,017.50/x
  3. Step 3: Cross multiply
    15,405.75x = 23,110.45 × 5,017.50
  4. Step 4: Simplify right side
    15,405.75x = 115,956,670.33
  5. Step 5: Solve for x
    x = 115,956,670.33/15,405.75
  6. Step 6: Final answer
    x = 7,526.84

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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.