Home / 13,001.79-19,501.86-3,767.79

Finding the Fourth Proportional to 13,001.79, 19,501.86 and 3,767.79

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Solution

The fourth proportional to 13,001.79, 19,501.86 and 3,767.79 is: 5,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.79 : 19,501.86 = 3,767.79 : x
  2. Step 2: Convert to fraction form
    13,001.79/19,501.86 = 3,767.79/x
  3. Step 3: Cross multiply
    13,001.79x = 19,501.86 × 3,767.79
  4. Step 4: Simplify right side
    13,001.79x = 73,478,913.09
  5. Step 5: Solve for x
    x = 73,478,913.09/13,001.79
  6. Step 6: Final answer
    x = 5,651.45

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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.