Home / 11,323.26-15,626.28-6,287.81

Finding the Fourth Proportional to 11,323.26, 15,626.28 and 6,287.81

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Solution

The fourth proportional to 11,323.26, 15,626.28 and 6,287.81 is: 8,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.26 : 15,626.28 = 6,287.81 : x
  2. Step 2: Convert to fraction form
    11,323.26/15,626.28 = 6,287.81/x
  3. Step 3: Cross multiply
    11,323.26x = 15,626.28 × 6,287.81
  4. Step 4: Simplify right side
    11,323.26x = 98,255,001.52
  5. Step 5: Solve for x
    x = 98,255,001.52/11,323.26
  6. Step 6: Final answer
    x = 8,677.27

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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.