Home / 10,938.54-15,096.48-6,223.56

Finding the Fourth Proportional to 10,938.54, 15,096.48 and 6,223.56

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Solution

The fourth proportional to 10,938.54, 15,096.48 and 6,223.56 is: 8,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.54 : 15,096.48 = 6,223.56 : x
  2. Step 2: Convert to fraction form
    10,938.54/15,096.48 = 6,223.56/x
  3. Step 3: Cross multiply
    10,938.54x = 15,096.48 × 6,223.56
  4. Step 4: Simplify right side
    10,938.54x = 93,953,849.07
  5. Step 5: Solve for x
    x = 93,953,849.07/10,938.54
  6. Step 6: Final answer
    x = 8,589.25

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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.