Home / 9,989.10-14,983.65-2,592.95

Finding the Fourth Proportional to 9,989.10, 14,983.65 and 2,592.95

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Solution

The fourth proportional to 9,989.10, 14,983.65 and 2,592.95 is: 3,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.10 : 14,983.65 = 2,592.95 : x
  2. Step 2: Convert to fraction form
    9,989.10/14,983.65 = 2,592.95/x
  3. Step 3: Cross multiply
    9,989.10x = 14,983.65 × 2,592.95
  4. Step 4: Simplify right side
    9,989.10x = 38,851,780.35
  5. Step 5: Solve for x
    x = 38,851,780.35/9,989.10
  6. Step 6: Final answer
    x = 3,889.42

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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.