Home / 9,981.45-14,953.99-5,808.81

Finding the Fourth Proportional to 9,981.45, 14,953.99 and 5,808.81

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Solution

The fourth proportional to 9,981.45, 14,953.99 and 5,808.81 is: 8,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.45 : 14,953.99 = 5,808.81 : x
  2. Step 2: Convert to fraction form
    9,981.45/14,953.99 = 5,808.81/x
  3. Step 3: Cross multiply
    9,981.45x = 14,953.99 × 5,808.81
  4. Step 4: Simplify right side
    9,981.45x = 86,864,955.44
  5. Step 5: Solve for x
    x = 86,864,955.44/9,981.45
  6. Step 6: Final answer
    x = 8,702.64

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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.