Home / 21,283.86-29,372.04-12,332.01

Finding the Fourth Proportional to 21,283.86, 29,372.04 and 12,332.01

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Solution

The fourth proportional to 21,283.86, 29,372.04 and 12,332.01 is: 17,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.86 : 29,372.04 = 12,332.01 : x
  2. Step 2: Convert to fraction form
    21,283.86/29,372.04 = 12,332.01/x
  3. Step 3: Cross multiply
    21,283.86x = 29,372.04 × 12,332.01
  4. Step 4: Simplify right side
    21,283.86x = 362,216,291.00
  5. Step 5: Solve for x
    x = 362,216,291.00/21,283.86
  6. Step 6: Final answer
    x = 17,018.36

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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.