Home / 21,437.64-29,583.90-12,006

Finding the Fourth Proportional to 21,437.64, 29,583.90 and 12,006

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Solution

The fourth proportional to 21,437.64, 29,583.90 and 12,006 is: 16,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.64 : 29,583.90 = 12,006 : x
  2. Step 2: Convert to fraction form
    21,437.64/29,583.90 = 12,006/x
  3. Step 3: Cross multiply
    21,437.64x = 29,583.90 × 12,006
  4. Step 4: Simplify right side
    21,437.64x = 355,184,303.40
  5. Step 5: Solve for x
    x = 355,184,303.40/21,437.64
  6. Step 6: Final answer
    x = 16,568.26

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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.