Home / 10,923.96-15,073.81-6,142.94

Finding the Fourth Proportional to 10,923.96, 15,073.81 and 6,142.94

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Solution

The fourth proportional to 10,923.96, 15,073.81 and 6,142.94 is: 8,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.96 : 15,073.81 = 6,142.94 : x
  2. Step 2: Convert to fraction form
    10,923.96/15,073.81 = 6,142.94/x
  3. Step 3: Cross multiply
    10,923.96x = 15,073.81 × 6,142.94
  4. Step 4: Simplify right side
    10,923.96x = 92,597,510.40
  5. Step 5: Solve for x
    x = 92,597,510.40/10,923.96
  6. Step 6: Final answer
    x = 8,476.55

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1.5x scale

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.