Home / 11,291.51-15,582.39-6,255.84

Finding the Fourth Proportional to 11,291.51, 15,582.39 and 6,255.84

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Solution

The fourth proportional to 11,291.51, 15,582.39 and 6,255.84 is: 8,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.51 : 15,582.39 = 6,255.84 : x
  2. Step 2: Convert to fraction form
    11,291.51/15,582.39 = 6,255.84/x
  3. Step 3: Cross multiply
    11,291.51x = 15,582.39 × 6,255.84
  4. Step 4: Simplify right side
    11,291.51x = 97,480,829.47
  5. Step 5: Solve for x
    x = 97,480,829.47/11,291.51
  6. Step 6: Final answer
    x = 8,633.11

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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.