Home / 15,188.37-22,781.74-5,328.64

Finding the Fourth Proportional to 15,188.37, 22,781.74 and 5,328.64

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Solution

The fourth proportional to 15,188.37, 22,781.74 and 5,328.64 is: 7,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.37 : 22,781.74 = 5,328.64 : x
  2. Step 2: Convert to fraction form
    15,188.37/22,781.74 = 5,328.64/x
  3. Step 3: Cross multiply
    15,188.37x = 22,781.74 × 5,328.64
  4. Step 4: Simplify right side
    15,188.37x = 121,395,677.71
  5. Step 5: Solve for x
    x = 121,395,677.71/15,188.37
  6. Step 6: Final answer
    x = 7,992.68

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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.