Home / 14,483.97-21,683.70-8,920.62

Finding the Fourth Proportional to 14,483.97, 21,683.70 and 8,920.62

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Solution

The fourth proportional to 14,483.97, 21,683.70 and 8,920.62 is: 13,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.97 : 21,683.70 = 8,920.62 : x
  2. Step 2: Convert to fraction form
    14,483.97/21,683.70 = 8,920.62/x
  3. Step 3: Cross multiply
    14,483.97x = 21,683.70 × 8,920.62
  4. Step 4: Simplify right side
    14,483.97x = 193,432,047.89
  5. Step 5: Solve for x
    x = 193,432,047.89/14,483.97
  6. Step 6: Final answer
    x = 13,354.91

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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.