Home / 9,820.90-14,731.40-2,425.51

Finding the Fourth Proportional to 9,820.90, 14,731.40 and 2,425.51

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Solution

The fourth proportional to 9,820.90, 14,731.40 and 2,425.51 is: 3,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.90 : 14,731.40 = 2,425.51 : x
  2. Step 2: Convert to fraction form
    9,820.90/14,731.40 = 2,425.51/x
  3. Step 3: Cross multiply
    9,820.90x = 14,731.40 × 2,425.51
  4. Step 4: Simplify right side
    9,820.90x = 35,731,158.01
  5. Step 5: Solve for x
    x = 35,731,158.01/9,820.90
  6. Step 6: Final answer
    x = 3,638.28

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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.