Home / 10,314.90-15,477.63-4,911.38

Finding the Fourth Proportional to 10,314.90, 15,477.63 and 4,911.38

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Solution

The fourth proportional to 10,314.90, 15,477.63 and 4,911.38 is: 7,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.90 : 15,477.63 = 4,911.38 : x
  2. Step 2: Convert to fraction form
    10,314.90/15,477.63 = 4,911.38/x
  3. Step 3: Cross multiply
    10,314.90x = 15,477.63 × 4,911.38
  4. Step 4: Simplify right side
    10,314.90x = 76,016,585.54
  5. Step 5: Solve for x
    x = 76,016,585.54/10,314.90
  6. Step 6: Final answer
    x = 7,369.59

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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.