Home / 10,477.96-15,711.16-4,627.72

Finding the Fourth Proportional to 10,477.96, 15,711.16 and 4,627.72

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Solution

The fourth proportional to 10,477.96, 15,711.16 and 4,627.72 is: 6,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.96 : 15,711.16 = 4,627.72 : x
  2. Step 2: Convert to fraction form
    10,477.96/15,711.16 = 4,627.72/x
  3. Step 3: Cross multiply
    10,477.96x = 15,711.16 × 4,627.72
  4. Step 4: Simplify right side
    10,477.96x = 72,706,849.36
  5. Step 5: Solve for x
    x = 72,706,849.36/10,477.96
  6. Step 6: Final answer
    x = 6,939.03

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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.