Home / 12,372.90-18,555.03-5,802.18

Finding the Fourth Proportional to 12,372.90, 18,555.03 and 5,802.18

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Solution

The fourth proportional to 12,372.90, 18,555.03 and 5,802.18 is: 8,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.90 : 18,555.03 = 5,802.18 : x
  2. Step 2: Convert to fraction form
    12,372.90/18,555.03 = 5,802.18/x
  3. Step 3: Cross multiply
    12,372.90x = 18,555.03 × 5,802.18
  4. Step 4: Simplify right side
    12,372.90x = 107,659,623.97
  5. Step 5: Solve for x
    x = 107,659,623.97/12,372.90
  6. Step 6: Final answer
    x = 8,701.24

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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.