Home / 9,351.91-14,030.15-3,111.91

Finding the Fourth Proportional to 9,351.91, 14,030.15 and 3,111.91

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Solution

The fourth proportional to 9,351.91, 14,030.15 and 3,111.91 is: 4,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.91 : 14,030.15 = 3,111.91 : x
  2. Step 2: Convert to fraction form
    9,351.91/14,030.15 = 3,111.91/x
  3. Step 3: Cross multiply
    9,351.91x = 14,030.15 × 3,111.91
  4. Step 4: Simplify right side
    9,351.91x = 43,660,478.38
  5. Step 5: Solve for x
    x = 43,660,478.38/9,351.91
  6. Step 6: Final answer
    x = 4,668.62

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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.