Home / 15,142.68-22,699.44-9,300.96

Finding the Fourth Proportional to 15,142.68, 22,699.44 and 9,300.96

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Solution

The fourth proportional to 15,142.68, 22,699.44 and 9,300.96 is: 13,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.68 : 22,699.44 = 9,300.96 : x
  2. Step 2: Convert to fraction form
    15,142.68/22,699.44 = 9,300.96/x
  3. Step 3: Cross multiply
    15,142.68x = 22,699.44 × 9,300.96
  4. Step 4: Simplify right side
    15,142.68x = 211,126,583.46
  5. Step 5: Solve for x
    x = 211,126,583.46/15,142.68
  6. Step 6: Final answer
    x = 13,942.48

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1.5x scale

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.