Home / 9,872.20-14,805.60-4,029.40

Finding the Fourth Proportional to 9,872.20, 14,805.60 and 4,029.40

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Solution

The fourth proportional to 9,872.20, 14,805.60 and 4,029.40 is: 6,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.20 : 14,805.60 = 4,029.40 : x
  2. Step 2: Convert to fraction form
    9,872.20/14,805.60 = 4,029.40/x
  3. Step 3: Cross multiply
    9,872.20x = 14,805.60 × 4,029.40
  4. Step 4: Simplify right side
    9,872.20x = 59,657,684.64
  5. Step 5: Solve for x
    x = 59,657,684.64/9,872.20
  6. Step 6: Final answer
    x = 6,043.00

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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.