Home / 10,072.42-15,112.95-5,683.30

Finding the Fourth Proportional to 10,072.42, 15,112.95 and 5,683.30

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Solution

The fourth proportional to 10,072.42, 15,112.95 and 5,683.30 is: 8,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.42 : 15,112.95 = 5,683.30 : x
  2. Step 2: Convert to fraction form
    10,072.42/15,112.95 = 5,683.30/x
  3. Step 3: Cross multiply
    10,072.42x = 15,112.95 × 5,683.30
  4. Step 4: Simplify right side
    10,072.42x = 85,891,428.74
  5. Step 5: Solve for x
    x = 85,891,428.74/10,072.42
  6. Step 6: Final answer
    x = 8,527.39

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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.