Home / 19,898.13-29,837.63-11,580.02

Finding the Fourth Proportional to 19,898.13, 29,837.63 and 11,580.02

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Solution

The fourth proportional to 19,898.13, 29,837.63 and 11,580.02 is: 17,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.13 : 29,837.63 = 11,580.02 : x
  2. Step 2: Convert to fraction form
    19,898.13/29,837.63 = 11,580.02/x
  3. Step 3: Cross multiply
    19,898.13x = 29,837.63 × 11,580.02
  4. Step 4: Simplify right side
    19,898.13x = 345,520,145.06
  5. Step 5: Solve for x
    x = 345,520,145.06/19,898.13
  6. Step 6: Final answer
    x = 17,364.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.