Home / 21,467.06-29,624.80-11,907.14

Finding the Fourth Proportional to 21,467.06, 29,624.80 and 11,907.14

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Solution

The fourth proportional to 21,467.06, 29,624.80 and 11,907.14 is: 16,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.06 : 29,624.80 = 11,907.14 : x
  2. Step 2: Convert to fraction form
    21,467.06/29,624.80 = 11,907.14/x
  3. Step 3: Cross multiply
    21,467.06x = 29,624.80 × 11,907.14
  4. Step 4: Simplify right side
    21,467.06x = 352,746,641.07
  5. Step 5: Solve for x
    x = 352,746,641.07/21,467.06
  6. Step 6: Final answer
    x = 16,432.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.