Home / 10,343.85-15,516.06-3,774.93

Finding the Fourth Proportional to 10,343.85, 15,516.06 and 3,774.93

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Solution

The fourth proportional to 10,343.85, 15,516.06 and 3,774.93 is: 5,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.85 : 15,516.06 = 3,774.93 : x
  2. Step 2: Convert to fraction form
    10,343.85/15,516.06 = 3,774.93/x
  3. Step 3: Cross multiply
    10,343.85x = 15,516.06 × 3,774.93
  4. Step 4: Simplify right side
    10,343.85x = 58,572,040.38
  5. Step 5: Solve for x
    x = 58,572,040.38/10,343.85
  6. Step 6: Final answer
    x = 5,662.50

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1.5x scale

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.