Home / 9,981.24-14,971.98-4,785.96

Finding the Fourth Proportional to 9,981.24, 14,971.98 and 4,785.96

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Solution

The fourth proportional to 9,981.24, 14,971.98 and 4,785.96 is: 7,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.24 : 14,971.98 = 4,785.96 : x
  2. Step 2: Convert to fraction form
    9,981.24/14,971.98 = 4,785.96/x
  3. Step 3: Cross multiply
    9,981.24x = 14,971.98 × 4,785.96
  4. Step 4: Simplify right side
    9,981.24x = 71,655,297.40
  5. Step 5: Solve for x
    x = 71,655,297.40/9,981.24
  6. Step 6: Final answer
    x = 7,179.00

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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.