Home / 14,339.94-21,509.14-4,478.08

Finding the Fourth Proportional to 14,339.94, 21,509.14 and 4,478.08

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Solution

The fourth proportional to 14,339.94, 21,509.14 and 4,478.08 is: 6,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.94 : 21,509.14 = 4,478.08 : x
  2. Step 2: Convert to fraction form
    14,339.94/21,509.14 = 4,478.08/x
  3. Step 3: Cross multiply
    14,339.94x = 21,509.14 × 4,478.08
  4. Step 4: Simplify right side
    14,339.94x = 96,319,649.65
  5. Step 5: Solve for x
    x = 96,319,649.65/14,339.94
  6. Step 6: Final answer
    x = 6,716.88

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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.