Home / 21,301.02-29,395.35-12,353.72

Finding the Fourth Proportional to 21,301.02, 29,395.35 and 12,353.72

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Solution

The fourth proportional to 21,301.02, 29,395.35 and 12,353.72 is: 17,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.02 : 29,395.35 = 12,353.72 : x
  2. Step 2: Convert to fraction form
    21,301.02/29,395.35 = 12,353.72/x
  3. Step 3: Cross multiply
    21,301.02x = 29,395.35 × 12,353.72
  4. Step 4: Simplify right side
    21,301.02x = 363,141,776.23
  5. Step 5: Solve for x
    x = 363,141,776.23/21,301.02
  6. Step 6: Final answer
    x = 17,048.09

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