Home / 9,628.64-14,440.80-4,429.44

Finding the Fourth Proportional to 9,628.64, 14,440.80 and 4,429.44

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Solution

The fourth proportional to 9,628.64, 14,440.80 and 4,429.44 is: 6,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.64 : 14,440.80 = 4,429.44 : x
  2. Step 2: Convert to fraction form
    9,628.64/14,440.80 = 4,429.44/x
  3. Step 3: Cross multiply
    9,628.64x = 14,440.80 × 4,429.44
  4. Step 4: Simplify right side
    9,628.64x = 63,964,657.15
  5. Step 5: Solve for x
    x = 63,964,657.15/9,628.64
  6. Step 6: Final answer
    x = 6,643.17

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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.