Home / 15,735.48-23,603.78-5,345.88

Finding the Fourth Proportional to 15,735.48, 23,603.78 and 5,345.88

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Solution

The fourth proportional to 15,735.48, 23,603.78 and 5,345.88 is: 8,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.48 : 23,603.78 = 5,345.88 : x
  2. Step 2: Convert to fraction form
    15,735.48/23,603.78 = 5,345.88/x
  3. Step 3: Cross multiply
    15,735.48x = 23,603.78 × 5,345.88
  4. Step 4: Simplify right side
    15,735.48x = 126,182,975.43
  5. Step 5: Solve for x
    x = 126,182,975.43/15,735.48
  6. Step 6: Final answer
    x = 8,019.01

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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.