Home / 9,982.60-14,966.70-6,521.80

Finding the Fourth Proportional to 9,982.60, 14,966.70 and 6,521.80

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Solution

The fourth proportional to 9,982.60, 14,966.70 and 6,521.80 is: 9,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.60 : 14,966.70 = 6,521.80 : x
  2. Step 2: Convert to fraction form
    9,982.60/14,966.70 = 6,521.80/x
  3. Step 3: Cross multiply
    9,982.60x = 14,966.70 × 6,521.80
  4. Step 4: Simplify right side
    9,982.60x = 97,609,824.06
  5. Step 5: Solve for x
    x = 97,609,824.06/9,982.60
  6. Step 6: Final answer
    x = 9,778.00

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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.