Home / 13,001.81-19,483.86-7,073.66

Finding the Fourth Proportional to 13,001.81, 19,483.86 and 7,073.66

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Solution

The fourth proportional to 13,001.81, 19,483.86 and 7,073.66 is: 10,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.81 : 19,483.86 = 7,073.66 : x
  2. Step 2: Convert to fraction form
    13,001.81/19,483.86 = 7,073.66/x
  3. Step 3: Cross multiply
    13,001.81x = 19,483.86 × 7,073.66
  4. Step 4: Simplify right side
    13,001.81x = 137,822,103.71
  5. Step 5: Solve for x
    x = 137,822,103.71/13,001.81
  6. Step 6: Final answer
    x = 10,600.23

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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.