Home / 15,446.74-23,161.80-4,913.90

Finding the Fourth Proportional to 15,446.74, 23,161.80 and 4,913.90

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Solution

The fourth proportional to 15,446.74, 23,161.80 and 4,913.90 is: 7,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.74 : 23,161.80 = 4,913.90 : x
  2. Step 2: Convert to fraction form
    15,446.74/23,161.80 = 4,913.90/x
  3. Step 3: Cross multiply
    15,446.74x = 23,161.80 × 4,913.90
  4. Step 4: Simplify right side
    15,446.74x = 113,814,769.02
  5. Step 5: Solve for x
    x = 113,814,769.02/15,446.74
  6. Step 6: Final answer
    x = 7,368.21

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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.