Home / 19,755.22-29,615.41-9,880.51

Finding the Fourth Proportional to 19,755.22, 29,615.41 and 9,880.51

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Solution

The fourth proportional to 19,755.22, 29,615.41 and 9,880.51 is: 14,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.22 : 29,615.41 = 9,880.51 : x
  2. Step 2: Convert to fraction form
    19,755.22/29,615.41 = 9,880.51/x
  3. Step 3: Cross multiply
    19,755.22x = 29,615.41 × 9,880.51
  4. Step 4: Simplify right side
    19,755.22x = 292,615,354.66
  5. Step 5: Solve for x
    x = 292,615,354.66/19,755.22
  6. Step 6: Final answer
    x = 14,812.05

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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.