Home / 18,746.74-28,119.41-4,706.86

Finding the Fourth Proportional to 18,746.74, 28,119.41 and 4,706.86

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Solution

The fourth proportional to 18,746.74, 28,119.41 and 4,706.86 is: 7,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.74 : 28,119.41 = 4,706.86 : x
  2. Step 2: Convert to fraction form
    18,746.74/28,119.41 = 4,706.86/x
  3. Step 3: Cross multiply
    18,746.74x = 28,119.41 × 4,706.86
  4. Step 4: Simplify right side
    18,746.74x = 132,354,126.15
  5. Step 5: Solve for x
    x = 132,354,126.15/18,746.74
  6. Step 6: Final answer
    x = 7,060.11

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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.