Home / 10,973.50-15,143.43-6,005.50

Finding the Fourth Proportional to 10,973.50, 15,143.43 and 6,005.50

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Solution

The fourth proportional to 10,973.50, 15,143.43 and 6,005.50 is: 8,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.50 : 15,143.43 = 6,005.50 : x
  2. Step 2: Convert to fraction form
    10,973.50/15,143.43 = 6,005.50/x
  3. Step 3: Cross multiply
    10,973.50x = 15,143.43 × 6,005.50
  4. Step 4: Simplify right side
    10,973.50x = 90,943,868.87
  5. Step 5: Solve for x
    x = 90,943,868.87/10,973.50
  6. Step 6: Final answer
    x = 8,287.59

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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.