Home / 19,204.64-28,812.90-9,851.30

Finding the Fourth Proportional to 19,204.64, 28,812.90 and 9,851.30

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Solution

The fourth proportional to 19,204.64, 28,812.90 and 9,851.30 is: 14,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.64 : 28,812.90 = 9,851.30 : x
  2. Step 2: Convert to fraction form
    19,204.64/28,812.90 = 9,851.30/x
  3. Step 3: Cross multiply
    19,204.64x = 28,812.90 × 9,851.30
  4. Step 4: Simplify right side
    19,204.64x = 283,844,521.77
  5. Step 5: Solve for x
    x = 283,844,521.77/19,204.64
  6. Step 6: Final answer
    x = 14,780.00

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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.