Home / 9,869.41-14,802.30-4,321.72

Finding the Fourth Proportional to 9,869.41, 14,802.30 and 4,321.72

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Solution

The fourth proportional to 9,869.41, 14,802.30 and 4,321.72 is: 6,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.41 : 14,802.30 = 4,321.72 : x
  2. Step 2: Convert to fraction form
    9,869.41/14,802.30 = 4,321.72/x
  3. Step 3: Cross multiply
    9,869.41x = 14,802.30 × 4,321.72
  4. Step 4: Simplify right side
    9,869.41x = 63,971,395.96
  5. Step 5: Solve for x
    x = 63,971,395.96/9,869.41
  6. Step 6: Final answer
    x = 6,481.79

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1.5x scale

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.