Home / 15,518.34-23,276.90-3,831.26

Finding the Fourth Proportional to 15,518.34, 23,276.90 and 3,831.26

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Solution

The fourth proportional to 15,518.34, 23,276.90 and 3,831.26 is: 5,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.34 : 23,276.90 = 3,831.26 : x
  2. Step 2: Convert to fraction form
    15,518.34/23,276.90 = 3,831.26/x
  3. Step 3: Cross multiply
    15,518.34x = 23,276.90 × 3,831.26
  4. Step 4: Simplify right side
    15,518.34x = 89,179,855.89
  5. Step 5: Solve for x
    x = 89,179,855.89/15,518.34
  6. Step 6: Final answer
    x = 5,746.74

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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.