Home / 11,354.06-15,668.61-6,386.06

Finding the Fourth Proportional to 11,354.06, 15,668.61 and 6,386.06

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Solution

The fourth proportional to 11,354.06, 15,668.61 and 6,386.06 is: 8,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.06 : 15,668.61 = 6,386.06 : x
  2. Step 2: Convert to fraction form
    11,354.06/15,668.61 = 6,386.06/x
  3. Step 3: Cross multiply
    11,354.06x = 15,668.61 × 6,386.06
  4. Step 4: Simplify right side
    11,354.06x = 100,060,698.80
  5. Step 5: Solve for x
    x = 100,060,698.80/11,354.06
  6. Step 6: Final answer
    x = 8,812.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.