Home / 19,670.30-27,145.02-10,717.81

Finding the Fourth Proportional to 19,670.30, 27,145.02 and 10,717.81

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Solution

The fourth proportional to 19,670.30, 27,145.02 and 10,717.81 is: 14,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.30 : 27,145.02 = 10,717.81 : x
  2. Step 2: Convert to fraction form
    19,670.30/27,145.02 = 10,717.81/x
  3. Step 3: Cross multiply
    19,670.30x = 27,145.02 × 10,717.81
  4. Step 4: Simplify right side
    19,670.30x = 290,935,164.58
  5. Step 5: Solve for x
    x = 290,935,164.58/19,670.30
  6. Step 6: Final answer
    x = 14,790.58

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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.