Home / 9,981.44-14,955.74-7,914.72

Finding the Fourth Proportional to 9,981.44, 14,955.74 and 7,914.72

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Solution

The fourth proportional to 9,981.44, 14,955.74 and 7,914.72 is: 11,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.44 : 14,955.74 = 7,914.72 : x
  2. Step 2: Convert to fraction form
    9,981.44/14,955.74 = 7,914.72/x
  3. Step 3: Cross multiply
    9,981.44x = 14,955.74 × 7,914.72
  4. Step 4: Simplify right side
    9,981.44x = 118,370,494.49
  5. Step 5: Solve for x
    x = 118,370,494.49/9,981.44
  6. Step 6: Final answer
    x = 11,859.06

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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.