Home / 10,406.93-15,603.91-4,487.54

Finding the Fourth Proportional to 10,406.93, 15,603.91 and 4,487.54

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Solution

The fourth proportional to 10,406.93, 15,603.91 and 4,487.54 is: 6,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.93 : 15,603.91 = 4,487.54 : x
  2. Step 2: Convert to fraction form
    10,406.93/15,603.91 = 4,487.54/x
  3. Step 3: Cross multiply
    10,406.93x = 15,603.91 × 4,487.54
  4. Step 4: Simplify right side
    10,406.93x = 70,023,081.04
  5. Step 5: Solve for x
    x = 70,023,081.04/10,406.93
  6. Step 6: Final answer
    x = 6,728.51

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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.