Home / 15,742.98-23,619.93-6,984.03

Finding the Fourth Proportional to 15,742.98, 23,619.93 and 6,984.03

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Solution

The fourth proportional to 15,742.98, 23,619.93 and 6,984.03 is: 10,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.98 : 23,619.93 = 6,984.03 : x
  2. Step 2: Convert to fraction form
    15,742.98/23,619.93 = 6,984.03/x
  3. Step 3: Cross multiply
    15,742.98x = 23,619.93 × 6,984.03
  4. Step 4: Simplify right side
    15,742.98x = 164,962,299.72
  5. Step 5: Solve for x
    x = 164,962,299.72/15,742.98
  6. Step 6: Final answer
    x = 10,478.47

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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.